a) CH 3 CH=CH 2 Interpretation: Can CH 3 CH=CH 2 exist as pairs of cis-trans isomer is to be stated. If so, the structures of cis-trans pair are to be drawn indicating their geometry. Concept introduction: The lack of rotation around carbon-carbon double bonds leads to cis-trans isomerism. The requirement is that both the carbons in double bond should be bonded to different substituents. Compounds that have one of their doubly bonded carbons bonded to identical substituents cannot exist as cis-trans isomers. To change: Whether CH 3 CH=CH 2 can exist as a pair of cis-trans isomers and to draw their structures with the geometry.

Question

The skeletal line formula for a branched alkene is shown below. (i) What is the molecular formula of this compound? (ii) How many carbon atoms are in the longest chain, ignoring the double bond? (iii) What is the longest chain incorporating both carbons of the double bond? (iv) How many substituents are on this chain? (v) Give the IUPAC name for this compound. [6]

Answer 1

Question

Chapter 7.4, Problem 9P

Interpretation Introduction

a) CH₃CH=CH₂

Interpretation:

Can CH₃CH=CH₂ exist as pairs of cis-trans isomer is to be stated. If so, the structures of cis-trans pair are to be drawn indicating their geometry.

Concept introduction:

The lack of rotation around carbon-carbon double bonds leads to cis-trans isomerism. The requirement is that both the carbons in double bond should be bonded to different substituents. Compounds that have one of their doubly bonded carbons bonded to identical substituents cannot exist as cis-trans isomers.

To change:

Whether CH₃CH=CH₂ can exist as a pair of cis-trans isomers and to draw their structures with the geometry.

Interpretation Introduction

b) (CH₃)₂C=CHCH₃

Interpretation:

Can (CH₃)₂C=CHCH₃ exist as pairs of cis-trans isomer is to be stated. If so, the structures of cis-trans pair are to be drawn indicating their geometry.

Concept introduction:

The lack of rotation around carbon-carbon double bonds leads to cis-trans isomerism. The requirement is that both the carbons in double bond should be bonded to different substituents. Compounds that have one of their doubly bonded carbons bonded to identical substituents cannot exist as cis-trans isomers.

To change:

Whether (CH₃)₂C=CHCH₃ can exist as a pair of cis-trans isomers and to draw their structures with the geometry.

Interpretation Introduction

c) CH₃CH₂CH=CHCH₃

Interpretation:

Can CH₃CH₂CH=CHCH₃ exist as pairs of cis-trans isomer is to be stated. If so, the structures of cis-trans pair are to be drawn indicating their geometry.

Concept introduction:

The lack of rotation around carbon-carbon double bonds leads to cis-trans isomerism. The requirement is that both the carbons in double bond should be bonded to different substituents. Compounds that have one of their doubly bonded carbons bonded to identical substituents cannot exist as cis-trans isomers.

To state:

Whether CH₃CH₂CH=CHCH₃ can exist as a pair of cis-trans isomers and to draw their structures with the geometry.

Interpretation Introduction

d) (CH₃)₂C=C(CH₃)CH₂CH₃

Interpretation:

Can (CH₃)₂C=C(CH₃)CH₂CH₃ exist as pairs of cis-trans isomer is to be stated. If so, the structures of cis-trans pair are to be drawn indicating their geometry.

Concept introduction:

The lack of rotation around carbon-carbon double bonds leads to cis-trans isomerism. The requirement is that both the carbons in double bond should be bonded to different substituents. Compounds that have one of their doubly bonded carbons bonded to identical substituents cannot exist as cis-trans isomers.

To state:

Whether (CH₃)₂C=C(CH₃)CH₂CH₃ can exist as a pair of cis-trans isomers and to draw their structures with the geometry.

Interpretation Introduction

e) ClCH=CHCl

Interpretation:

Can ClCH=CHCl exist as pairs of cis-trans isomer is to be stated. If so, the structures of cis-trans pair are to be drawn indicating their geometry.

Concept introduction:

The lack of rotation around carbon-carbon double bonds leads to cis-trans isomerism. The requirement is that both the carbons in double bond should be bonded to different substituents. Compounds that have one of their doubly bonded carbons bonded to identical substituents cannot exist as cis-trans isomers.

To state:

Whether ClCH=CHCl can exist as a pair of cis-trans isomers and to draw their structures with the geometry.

Interpretation Introduction

f) BrCH=CHCl

Interpretation:

Can BrCH=CHCl exist as pairs of cis-trans isomer is to be stated. If so, the structures of cis-trans pair are to be drawn indicating their geometry.

Concept introduction:

The lack of rotation around carbon-carbon double bonds leads to cis-trans isomerism. The requirement is that both the carbons in double bond should be bonded to different substituents. Compounds that have one of their doubly bonded carbons bonded to identical substituents cannot exist as cis-trans isomers.

To state:

Whether BrCH=CHCl can exist as a pair of cis-trans isomers and to draw their structures with the geometry.

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Students have asked these similar questions

The skeletal line formula for a branched alkene is shown below. (i) What is the molecular formula of this compound? (ii) How many carbon atoms are in the longest chain, ignoring the double bond? (iii) What is the longest chain incorporating both carbons of the double bond? (iv) How many substituents are on this chain? (v) Give the IUPAC name for this compound. [6]

Indicate whether each statement is true or false. (a) Twogeometric isomers of pentane are n-pentane and neopentane.(b) Alkenes can have cis and trans isomers around theCC double bond. (c) Alkynes can have cis and trans isomersaround the CC triple bond.

Draw structures that fit each description and name the functional group in each molecule: (a) two constitutional isomers with molecular formula C5H10O that contain different functional groups; (b) two constitutional isomers with molecular formula C6H10O that contain the same functional group.

Answer 2

Question

Chapter 7.4, Problem 9P

Interpretation Introduction

a) CH₃CH=CH₂

Interpretation:

Can CH₃CH=CH₂ exist as pairs of cis-trans isomer is to be stated. If so, the structures of cis-trans pair are to be drawn indicating their geometry.

Concept introduction:

The lack of rotation around carbon-carbon double bonds leads to cis-trans isomerism. The requirement is that both the carbons in double bond should be bonded to different substituents. Compounds that have one of their doubly bonded carbons bonded to identical substituents cannot exist as cis-trans isomers.

To change:

Whether CH₃CH=CH₂ can exist as a pair of cis-trans isomers and to draw their structures with the geometry.

Interpretation Introduction

b) (CH₃)₂C=CHCH₃

Interpretation:

Can (CH₃)₂C=CHCH₃ exist as pairs of cis-trans isomer is to be stated. If so, the structures of cis-trans pair are to be drawn indicating their geometry.

Concept introduction:

The lack of rotation around carbon-carbon double bonds leads to cis-trans isomerism. The requirement is that both the carbons in double bond should be bonded to different substituents. Compounds that have one of their doubly bonded carbons bonded to identical substituents cannot exist as cis-trans isomers.

To change:

Whether (CH₃)₂C=CHCH₃ can exist as a pair of cis-trans isomers and to draw their structures with the geometry.

Interpretation Introduction

c) CH₃CH₂CH=CHCH₃

Interpretation:

Can CH₃CH₂CH=CHCH₃ exist as pairs of cis-trans isomer is to be stated. If so, the structures of cis-trans pair are to be drawn indicating their geometry.

Concept introduction:

The lack of rotation around carbon-carbon double bonds leads to cis-trans isomerism. The requirement is that both the carbons in double bond should be bonded to different substituents. Compounds that have one of their doubly bonded carbons bonded to identical substituents cannot exist as cis-trans isomers.

To state:

Whether CH₃CH₂CH=CHCH₃ can exist as a pair of cis-trans isomers and to draw their structures with the geometry.

Interpretation Introduction

d) (CH₃)₂C=C(CH₃)CH₂CH₃

Interpretation:

Can (CH₃)₂C=C(CH₃)CH₂CH₃ exist as pairs of cis-trans isomer is to be stated. If so, the structures of cis-trans pair are to be drawn indicating their geometry.

Concept introduction:

The lack of rotation around carbon-carbon double bonds leads to cis-trans isomerism. The requirement is that both the carbons in double bond should be bonded to different substituents. Compounds that have one of their doubly bonded carbons bonded to identical substituents cannot exist as cis-trans isomers.

To state:

Whether (CH₃)₂C=C(CH₃)CH₂CH₃ can exist as a pair of cis-trans isomers and to draw their structures with the geometry.

Interpretation Introduction

e) ClCH=CHCl

Interpretation:

Can ClCH=CHCl exist as pairs of cis-trans isomer is to be stated. If so, the structures of cis-trans pair are to be drawn indicating their geometry.

Concept introduction:

The lack of rotation around carbon-carbon double bonds leads to cis-trans isomerism. The requirement is that both the carbons in double bond should be bonded to different substituents. Compounds that have one of their doubly bonded carbons bonded to identical substituents cannot exist as cis-trans isomers.

To state:

Whether ClCH=CHCl can exist as a pair of cis-trans isomers and to draw their structures with the geometry.

Interpretation Introduction

f) BrCH=CHCl

Interpretation:

Can BrCH=CHCl exist as pairs of cis-trans isomer is to be stated. If so, the structures of cis-trans pair are to be drawn indicating their geometry.

Concept introduction:

The lack of rotation around carbon-carbon double bonds leads to cis-trans isomerism. The requirement is that both the carbons in double bond should be bonded to different substituents. Compounds that have one of their doubly bonded carbons bonded to identical substituents cannot exist as cis-trans isomers.

To state:

Whether BrCH=CHCl can exist as a pair of cis-trans isomers and to draw their structures with the geometry.

Expert Solution & Answer

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Answer 3

Question

Chapter 7.4, Problem 9P

Interpretation Introduction

a) CH₃CH=CH₂

Interpretation:

Can CH₃CH=CH₂ exist as pairs of cis-trans isomer is to be stated. If so, the structures of cis-trans pair are to be drawn indicating their geometry.

Concept introduction:

The lack of rotation around carbon-carbon double bonds leads to cis-trans isomerism. The requirement is that both the carbons in double bond should be bonded to different substituents. Compounds that have one of their doubly bonded carbons bonded to identical substituents cannot exist as cis-trans isomers.

To change:

Whether CH₃CH=CH₂ can exist as a pair of cis-trans isomers and to draw their structures with the geometry.

Interpretation Introduction

b) (CH₃)₂C=CHCH₃

Interpretation:

Can (CH₃)₂C=CHCH₃ exist as pairs of cis-trans isomer is to be stated. If so, the structures of cis-trans pair are to be drawn indicating their geometry.

Concept introduction:

The lack of rotation around carbon-carbon double bonds leads to cis-trans isomerism. The requirement is that both the carbons in double bond should be bonded to different substituents. Compounds that have one of their doubly bonded carbons bonded to identical substituents cannot exist as cis-trans isomers.

To change:

Whether (CH₃)₂C=CHCH₃ can exist as a pair of cis-trans isomers and to draw their structures with the geometry.

Interpretation Introduction

c) CH₃CH₂CH=CHCH₃

Interpretation:

Can CH₃CH₂CH=CHCH₃ exist as pairs of cis-trans isomer is to be stated. If so, the structures of cis-trans pair are to be drawn indicating their geometry.

Concept introduction:

The lack of rotation around carbon-carbon double bonds leads to cis-trans isomerism. The requirement is that both the carbons in double bond should be bonded to different substituents. Compounds that have one of their doubly bonded carbons bonded to identical substituents cannot exist as cis-trans isomers.

To state:

Whether CH₃CH₂CH=CHCH₃ can exist as a pair of cis-trans isomers and to draw their structures with the geometry.

Interpretation Introduction

d) (CH₃)₂C=C(CH₃)CH₂CH₃

Interpretation:

Can (CH₃)₂C=C(CH₃)CH₂CH₃ exist as pairs of cis-trans isomer is to be stated. If so, the structures of cis-trans pair are to be drawn indicating their geometry.

Concept introduction:

The lack of rotation around carbon-carbon double bonds leads to cis-trans isomerism. The requirement is that both the carbons in double bond should be bonded to different substituents. Compounds that have one of their doubly bonded carbons bonded to identical substituents cannot exist as cis-trans isomers.

To state:

Whether (CH₃)₂C=C(CH₃)CH₂CH₃ can exist as a pair of cis-trans isomers and to draw their structures with the geometry.

Interpretation Introduction

e) ClCH=CHCl

Interpretation:

Can ClCH=CHCl exist as pairs of cis-trans isomer is to be stated. If so, the structures of cis-trans pair are to be drawn indicating their geometry.

Concept introduction:

The lack of rotation around carbon-carbon double bonds leads to cis-trans isomerism. The requirement is that both the carbons in double bond should be bonded to different substituents. Compounds that have one of their doubly bonded carbons bonded to identical substituents cannot exist as cis-trans isomers.

To state:

Whether ClCH=CHCl can exist as a pair of cis-trans isomers and to draw their structures with the geometry.

Interpretation Introduction

f) BrCH=CHCl

Interpretation:

Can BrCH=CHCl exist as pairs of cis-trans isomer is to be stated. If so, the structures of cis-trans pair are to be drawn indicating their geometry.

Concept introduction:

The lack of rotation around carbon-carbon double bonds leads to cis-trans isomerism. The requirement is that both the carbons in double bond should be bonded to different substituents. Compounds that have one of their doubly bonded carbons bonded to identical substituents cannot exist as cis-trans isomers.

To state:

Whether BrCH=CHCl can exist as a pair of cis-trans isomers and to draw their structures with the geometry.

Expert Solution & Answer

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Answer 4

Question

Chapter 7.4, Problem 9P

Interpretation Introduction

a) CH₃CH=CH₂

Interpretation:

Can CH₃CH=CH₂ exist as pairs of cis-trans isomer is to be stated. If so, the structures of cis-trans pair are to be drawn indicating their geometry.

Concept introduction:

The lack of rotation around carbon-carbon double bonds leads to cis-trans isomerism. The requirement is that both the carbons in double bond should be bonded to different substituents. Compounds that have one of their doubly bonded carbons bonded to identical substituents cannot exist as cis-trans isomers.

To change:

Whether CH₃CH=CH₂ can exist as a pair of cis-trans isomers and to draw their structures with the geometry.

Interpretation Introduction

b) (CH₃)₂C=CHCH₃

Interpretation:

Can (CH₃)₂C=CHCH₃ exist as pairs of cis-trans isomer is to be stated. If so, the structures of cis-trans pair are to be drawn indicating their geometry.

Concept introduction:

The lack of rotation around carbon-carbon double bonds leads to cis-trans isomerism. The requirement is that both the carbons in double bond should be bonded to different substituents. Compounds that have one of their doubly bonded carbons bonded to identical substituents cannot exist as cis-trans isomers.

To change:

Whether (CH₃)₂C=CHCH₃ can exist as a pair of cis-trans isomers and to draw their structures with the geometry.

Interpretation Introduction

c) CH₃CH₂CH=CHCH₃

Interpretation:

Can CH₃CH₂CH=CHCH₃ exist as pairs of cis-trans isomer is to be stated. If so, the structures of cis-trans pair are to be drawn indicating their geometry.

Concept introduction:

The lack of rotation around carbon-carbon double bonds leads to cis-trans isomerism. The requirement is that both the carbons in double bond should be bonded to different substituents. Compounds that have one of their doubly bonded carbons bonded to identical substituents cannot exist as cis-trans isomers.

To state:

Whether CH₃CH₂CH=CHCH₃ can exist as a pair of cis-trans isomers and to draw their structures with the geometry.

Interpretation Introduction

d) (CH₃)₂C=C(CH₃)CH₂CH₃

Interpretation:

Can (CH₃)₂C=C(CH₃)CH₂CH₃ exist as pairs of cis-trans isomer is to be stated. If so, the structures of cis-trans pair are to be drawn indicating their geometry.

Concept introduction:

The lack of rotation around carbon-carbon double bonds leads to cis-trans isomerism. The requirement is that both the carbons in double bond should be bonded to different substituents. Compounds that have one of their doubly bonded carbons bonded to identical substituents cannot exist as cis-trans isomers.

To state:

Whether (CH₃)₂C=C(CH₃)CH₂CH₃ can exist as a pair of cis-trans isomers and to draw their structures with the geometry.

Interpretation Introduction

e) ClCH=CHCl

Interpretation:

Can ClCH=CHCl exist as pairs of cis-trans isomer is to be stated. If so, the structures of cis-trans pair are to be drawn indicating their geometry.

Concept introduction:

The lack of rotation around carbon-carbon double bonds leads to cis-trans isomerism. The requirement is that both the carbons in double bond should be bonded to different substituents. Compounds that have one of their doubly bonded carbons bonded to identical substituents cannot exist as cis-trans isomers.

To state:

Whether ClCH=CHCl can exist as a pair of cis-trans isomers and to draw their structures with the geometry.

Interpretation Introduction

f) BrCH=CHCl

Interpretation:

Can BrCH=CHCl exist as pairs of cis-trans isomer is to be stated. If so, the structures of cis-trans pair are to be drawn indicating their geometry.

Concept introduction:

The lack of rotation around carbon-carbon double bonds leads to cis-trans isomerism. The requirement is that both the carbons in double bond should be bonded to different substituents. Compounds that have one of their doubly bonded carbons bonded to identical substituents cannot exist as cis-trans isomers.

To state:

Whether BrCH=CHCl can exist as a pair of cis-trans isomers and to draw their structures with the geometry.

Expert Solution & Answer

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Answer 5

Chapter 7.4, Problem 9P

Interpretation Introduction

a) CH₃CH=CH₂

Interpretation:

Can CH₃CH=CH₂ exist as pairs of cis-trans isomer is to be stated. If so, the structures of cis-trans pair are to be drawn indicating their geometry.

Concept introduction:

The lack of rotation around carbon-carbon double bonds leads to cis-trans isomerism. The requirement is that both the carbons in double bond should be bonded to different substituents. Compounds that have one of their doubly bonded carbons bonded to identical substituents cannot exist as cis-trans isomers.

To change:

Whether CH₃CH=CH₂ can exist as a pair of cis-trans isomers and to draw their structures with the geometry.

Interpretation Introduction

b) (CH₃)₂C=CHCH₃

Interpretation:

Can (CH₃)₂C=CHCH₃ exist as pairs of cis-trans isomer is to be stated. If so, the structures of cis-trans pair are to be drawn indicating their geometry.

Concept introduction:

The lack of rotation around carbon-carbon double bonds leads to cis-trans isomerism. The requirement is that both the carbons in double bond should be bonded to different substituents. Compounds that have one of their doubly bonded carbons bonded to identical substituents cannot exist as cis-trans isomers.

To change:

Whether (CH₃)₂C=CHCH₃ can exist as a pair of cis-trans isomers and to draw their structures with the geometry.

Interpretation Introduction

c) CH₃CH₂CH=CHCH₃

Interpretation:

Can CH₃CH₂CH=CHCH₃ exist as pairs of cis-trans isomer is to be stated. If so, the structures of cis-trans pair are to be drawn indicating their geometry.

Concept introduction:

The lack of rotation around carbon-carbon double bonds leads to cis-trans isomerism. The requirement is that both the carbons in double bond should be bonded to different substituents. Compounds that have one of their doubly bonded carbons bonded to identical substituents cannot exist as cis-trans isomers.

To state:

Whether CH₃CH₂CH=CHCH₃ can exist as a pair of cis-trans isomers and to draw their structures with the geometry.

Interpretation Introduction

d) (CH₃)₂C=C(CH₃)CH₂CH₃

Interpretation:

Can (CH₃)₂C=C(CH₃)CH₂CH₃ exist as pairs of cis-trans isomer is to be stated. If so, the structures of cis-trans pair are to be drawn indicating their geometry.

Concept introduction:

The lack of rotation around carbon-carbon double bonds leads to cis-trans isomerism. The requirement is that both the carbons in double bond should be bonded to different substituents. Compounds that have one of their doubly bonded carbons bonded to identical substituents cannot exist as cis-trans isomers.

To state:

Whether (CH₃)₂C=C(CH₃)CH₂CH₃ can exist as a pair of cis-trans isomers and to draw their structures with the geometry.

Interpretation Introduction

e) ClCH=CHCl

Interpretation:

Can ClCH=CHCl exist as pairs of cis-trans isomer is to be stated. If so, the structures of cis-trans pair are to be drawn indicating their geometry.

Concept introduction:

The lack of rotation around carbon-carbon double bonds leads to cis-trans isomerism. The requirement is that both the carbons in double bond should be bonded to different substituents. Compounds that have one of their doubly bonded carbons bonded to identical substituents cannot exist as cis-trans isomers.

To state:

Whether ClCH=CHCl can exist as a pair of cis-trans isomers and to draw their structures with the geometry.

Interpretation Introduction

f) BrCH=CHCl

Interpretation:

Can BrCH=CHCl exist as pairs of cis-trans isomer is to be stated. If so, the structures of cis-trans pair are to be drawn indicating their geometry.

Concept introduction:

The lack of rotation around carbon-carbon double bonds leads to cis-trans isomerism. The requirement is that both the carbons in double bond should be bonded to different substituents. Compounds that have one of their doubly bonded carbons bonded to identical substituents cannot exist as cis-trans isomers.

To state:

Whether BrCH=CHCl can exist as a pair of cis-trans isomers and to draw their structures with the geometry.

Answer 6

Chapter 7.4, Problem 9P

Interpretation Introduction

a) CH₃CH=CH₂

Interpretation:

Can CH₃CH=CH₂ exist as pairs of cis-trans isomer is to be stated. If so, the structures of cis-trans pair are to be drawn indicating their geometry.

Concept introduction:

The lack of rotation around carbon-carbon double bonds leads to cis-trans isomerism. The requirement is that both the carbons in double bond should be bonded to different substituents. Compounds that have one of their doubly bonded carbons bonded to identical substituents cannot exist as cis-trans isomers.

To change:

Whether CH₃CH=CH₂ can exist as a pair of cis-trans isomers and to draw their structures with the geometry.

Answer 7

Chapter 7.4, Problem 9P

Interpretation Introduction

a) CH₃CH=CH₂

Interpretation:

Can CH₃CH=CH₂ exist as pairs of cis-trans isomer is to be stated. If so, the structures of cis-trans pair are to be drawn indicating their geometry.

Concept introduction:

The lack of rotation around carbon-carbon double bonds leads to cis-trans isomerism. The requirement is that both the carbons in double bond should be bonded to different substituents. Compounds that have one of their doubly bonded carbons bonded to identical substituents cannot exist as cis-trans isomers.

To change:

Whether CH₃CH=CH₂ can exist as a pair of cis-trans isomers and to draw their structures with the geometry.

Answer 8

Interpretation Introduction

b) (CH₃)₂C=CHCH₃

Interpretation:

Can (CH₃)₂C=CHCH₃ exist as pairs of cis-trans isomer is to be stated. If so, the structures of cis-trans pair are to be drawn indicating their geometry.

Concept introduction:

The lack of rotation around carbon-carbon double bonds leads to cis-trans isomerism. The requirement is that both the carbons in double bond should be bonded to different substituents. Compounds that have one of their doubly bonded carbons bonded to identical substituents cannot exist as cis-trans isomers.

To change:

Whether (CH₃)₂C=CHCH₃ can exist as a pair of cis-trans isomers and to draw their structures with the geometry.

Answer 9

Interpretation Introduction

b) (CH₃)₂C=CHCH₃

Interpretation:

Can (CH₃)₂C=CHCH₃ exist as pairs of cis-trans isomer is to be stated. If so, the structures of cis-trans pair are to be drawn indicating their geometry.

Concept introduction:

The lack of rotation around carbon-carbon double bonds leads to cis-trans isomerism. The requirement is that both the carbons in double bond should be bonded to different substituents. Compounds that have one of their doubly bonded carbons bonded to identical substituents cannot exist as cis-trans isomers.

To change:

Whether (CH₃)₂C=CHCH₃ can exist as a pair of cis-trans isomers and to draw their structures with the geometry.

Answer 10

Interpretation Introduction

c) CH₃CH₂CH=CHCH₃

Interpretation:

Can CH₃CH₂CH=CHCH₃ exist as pairs of cis-trans isomer is to be stated. If so, the structures of cis-trans pair are to be drawn indicating their geometry.

Concept introduction:

The lack of rotation around carbon-carbon double bonds leads to cis-trans isomerism. The requirement is that both the carbons in double bond should be bonded to different substituents. Compounds that have one of their doubly bonded carbons bonded to identical substituents cannot exist as cis-trans isomers.

To state:

Whether CH₃CH₂CH=CHCH₃ can exist as a pair of cis-trans isomers and to draw their structures with the geometry.

Answer 11

Interpretation Introduction

c) CH₃CH₂CH=CHCH₃

Interpretation:

Can CH₃CH₂CH=CHCH₃ exist as pairs of cis-trans isomer is to be stated. If so, the structures of cis-trans pair are to be drawn indicating their geometry.

Concept introduction:

The lack of rotation around carbon-carbon double bonds leads to cis-trans isomerism. The requirement is that both the carbons in double bond should be bonded to different substituents. Compounds that have one of their doubly bonded carbons bonded to identical substituents cannot exist as cis-trans isomers.

To state:

Whether CH₃CH₂CH=CHCH₃ can exist as a pair of cis-trans isomers and to draw their structures with the geometry.

Answer 12

Interpretation Introduction

d) (CH₃)₂C=C(CH₃)CH₂CH₃

Interpretation:

Can (CH₃)₂C=C(CH₃)CH₂CH₃ exist as pairs of cis-trans isomer is to be stated. If so, the structures of cis-trans pair are to be drawn indicating their geometry.

Concept introduction:

The lack of rotation around carbon-carbon double bonds leads to cis-trans isomerism. The requirement is that both the carbons in double bond should be bonded to different substituents. Compounds that have one of their doubly bonded carbons bonded to identical substituents cannot exist as cis-trans isomers.

To state:

Whether (CH₃)₂C=C(CH₃)CH₂CH₃ can exist as a pair of cis-trans isomers and to draw their structures with the geometry.

Answer 13

Interpretation Introduction

d) (CH₃)₂C=C(CH₃)CH₂CH₃

Interpretation:

Can (CH₃)₂C=C(CH₃)CH₂CH₃ exist as pairs of cis-trans isomer is to be stated. If so, the structures of cis-trans pair are to be drawn indicating their geometry.

Concept introduction:

The lack of rotation around carbon-carbon double bonds leads to cis-trans isomerism. The requirement is that both the carbons in double bond should be bonded to different substituents. Compounds that have one of their doubly bonded carbons bonded to identical substituents cannot exist as cis-trans isomers.

To state:

Whether (CH₃)₂C=C(CH₃)CH₂CH₃ can exist as a pair of cis-trans isomers and to draw their structures with the geometry.

Answer 14

Interpretation Introduction

e) ClCH=CHCl

Interpretation:

Can ClCH=CHCl exist as pairs of cis-trans isomer is to be stated. If so, the structures of cis-trans pair are to be drawn indicating their geometry.

Concept introduction:

The lack of rotation around carbon-carbon double bonds leads to cis-trans isomerism. The requirement is that both the carbons in double bond should be bonded to different substituents. Compounds that have one of their doubly bonded carbons bonded to identical substituents cannot exist as cis-trans isomers.

To state:

Whether ClCH=CHCl can exist as a pair of cis-trans isomers and to draw their structures with the geometry.

Answer 15

Interpretation Introduction

e) ClCH=CHCl

Interpretation:

Can ClCH=CHCl exist as pairs of cis-trans isomer is to be stated. If so, the structures of cis-trans pair are to be drawn indicating their geometry.

Concept introduction:

The lack of rotation around carbon-carbon double bonds leads to cis-trans isomerism. The requirement is that both the carbons in double bond should be bonded to different substituents. Compounds that have one of their doubly bonded carbons bonded to identical substituents cannot exist as cis-trans isomers.

To state:

Whether ClCH=CHCl can exist as a pair of cis-trans isomers and to draw their structures with the geometry.

Answer 16

Interpretation Introduction

f) BrCH=CHCl

Interpretation:

Can BrCH=CHCl exist as pairs of cis-trans isomer is to be stated. If so, the structures of cis-trans pair are to be drawn indicating their geometry.

Concept introduction:

The lack of rotation around carbon-carbon double bonds leads to cis-trans isomerism. The requirement is that both the carbons in double bond should be bonded to different substituents. Compounds that have one of their doubly bonded carbons bonded to identical substituents cannot exist as cis-trans isomers.

To state:

Whether BrCH=CHCl can exist as a pair of cis-trans isomers and to draw their structures with the geometry.

Answer 17

Interpretation Introduction

f) BrCH=CHCl

Interpretation:

Can BrCH=CHCl exist as pairs of cis-trans isomer is to be stated. If so, the structures of cis-trans pair are to be drawn indicating their geometry.

Concept introduction:

The lack of rotation around carbon-carbon double bonds leads to cis-trans isomerism. The requirement is that both the carbons in double bond should be bonded to different substituents. Compounds that have one of their doubly bonded carbons bonded to identical substituents cannot exist as cis-trans isomers.

To state:

Whether BrCH=CHCl can exist as a pair of cis-trans isomers and to draw their structures with the geometry.

Answer 18

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Answer 19

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Answer 29

Ch. 7.2 - Calculate the degree of unsaturation in each of...Ch. 7.2 - Prob. 2P Ch. 7.2 - Diazepam, marketed as an antianxiety medication...Ch. 7.3 - Give IUPAC names for the following compounds:Ch. 7.3 - Prob. 5P Ch. 7.3 - Prob. 6P Ch. 7.3 - Prob. 7P Ch. 7.4 - Prob. 8P Ch. 7.4 - Prob. 9P Ch. 7.4 - Prob. 10P

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