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- 1 i. What is Resonance Theory? Sate five conclusions that can be drawn from the theory. ii. State the two main experiments that were used to establish the extra stability of the benzene molecule. iii. What are the factors that confer Aromaticity to an organic molecule? iv. State the effects of substituents on a benzene derivative towards further aromatic substitution. V. Based on the above suggest the various types of substituents that can be attached to Benzene.Explanation for part C and D.What is Resonance Theory? Sate five conclusions that can be drawn from the theory. State the two main experiments that were used to establish the extra stability of the benzene molecule. What are the factors that confer Aromaticity to an organic molecule? i. State the effects of substituents on a benzene derivative towards further aromatic substitution. Based on the above suggest the various types of substituents that can be attached to Benzene. What are the various ways by which alkenes may be synthesized? i. Give two examples each of Unsymmetrical alkenes and reagents. Give two examples of reactions of alkenes that result in Anti-Markonikov’s addition products
- Which of the following is not a Huckel's criterion for aromaticity to. a.the molecule must have 4n pi electrons b. no alternative is correct c. the molecule must be fully conjugated d. the molecule must be flat and. e.the molecule must be cyclicA. What is scum? Why would it form in in hard water but not soft water? B. (Synthetic) detergents are very similar to soap. In the structures shown below, circle the major difference between a soap and a detergent molecule. Soap OONae Detergent (LAS or linear alkyl sulfonate)Which molecule is aromatic? Assume all molecules are O-a. O b. O c. O d. O e. Of. S. flat/planar.
- 12. According to the Hückel criteria, the sulfathiazole molecule is aromatic? a. True b. False59. Bond Strength I. Cyclobutane II. Cyclopentane 60. Optical Rotation I. 70% R, 30% S 11.30% R, 70% S 61. Which of the following is/ are alternant aromatic compounds? A. benzene B. naphthalene C. anthracene D. all of the given choices 62. Which of the following is/ are not aromatic? A. Cyclobutadiene B. Cyclopentadiene C. Cyclohexadiene D. All of the given choices 63. The following can exhibit tautomerism EXCEPT: A. benzaldehyde B. ethanal C. Cyclohexane carbaldehyde D. Cyclohexanone 64. Which of the following substituents exhibits both - inductive effect and - Resonance effect when attached to the benzene ring? A. -OH B. -CI D. -NO2 D.-CH3 65. Alkyl groups if attached to halogen (example: tert-butyl bromide) would exhibit A. negative inductive effect B. positive inductive effect C. negative resonance effect D. positive resonance effect. 9ANSWER ALL QUESTIONS1 What is Resonance Theory? Sate five conclusions that can be drawn from the theory.2.State the two main experiments that were used to establish the extra stability of the benzene molecule.3.What are the factors that confer Aromaticity to an organic molecule?4.i. State the effects of substituents on a benzene derivative towards further aromatic substitution. ii.Based on the above suggest the various types of substituents that can be attached to Benzene.
- Which of the following does not contribute to the stability of benzene?a. overlapping pi electrons above and below the ring's plane b. Huckel rule c. conjugation d. none41. Draw the structure of a hydrocarbon that has six carbon atoms and a. three vinylic hydrogens and two allylic hydrogens. b. three vinylic hydrogens and one allylic hydrogen. c. three vinylic hydrogens and no allylic hydrogens.docs.google.com نقطة واحدة نقطة واحدة 0 0 ۹:۰۳ :sentences How many types reaction only .1 .in organic chemistry A. Seven. B. Five. C. Eight. Reaction which involve by .2 .electrophiles are called A. Electrophilic substitution reactions. B. Nucleophilic substitution reactions. Substation reaction is define as. نقطة واحدة ||| A. Replaced by another atom or group of atoms. B. Added to a molecule with multiple bond. C. Loss of two atoms and groups. (n > O .3
