The enantiomer of (S)-(+)-2-butanol should be represented as: O (R)- (+/-)-2-butanol O (R)-(-)-2-butanol O (R)-(+)-2-butanol O (R)- 2-butanol O (S)-(+)-2-butanol
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- Draw (S)-5,5-dibromo-3-fluoro-2-methyl-3-hexanol. Draw (R)-5,5-dibromo-3-fluoro-2-methyl-3-hexanol.What reaction conditions are needed to convert (R)-2-ethyl-2-methyloxirane to (S)-2- methylbutane-1,2-diol ?The IUPAC name of the compound H- is (a) 5-formylhex-2-en-3-one (b) 5-methyl-4-oxohex-2-en-5-al (c) 3-keto-2-methylhex-5-enal (d) 3-keto-2-methylhex-4-enal ( The correct statement regarding electrophile is (a) electrophile is a negatively charged species and can form a bond by accepting a pair of electrons from another electrophile (b) electrophiles are generally neutral species and can form a bond by accepting a pair of electrons from a nucleophile (c) electrophile can be either neutral or ar positively charged species and can form a bond by accepting a pair of electrons from a nucleophile (d) electrophile is a negatively charged species and can form a bond by accepting a pair of electrons from a nucleophile.. Which among the given molecules can exhibit tautomerism? Ph Ph I II III (a) III only (c) Both I and II (b) Both I and III (d) Both II and III 1) Which of the following biphenyls is optically active?
- Explain the different products of the following two reactions by considering the mechanism by which each reaction proceeds. As part of your explanation, use the curved arrow formalism to draw a mechanism for each reaction. CH,OH CH2=CH-CH-CH, + Na*¯OCH, CH;=CH-CH-CH3 Br OCH, CH,=CH-CH-CH, + CH,OH – CH,=CH–CH–CH, + CH,CH=CHCH, Br OCH, OCH,Give the proper IUPAC name for the molecule shown as a Fischer projection. Make sure to include the correct (R) or (S) designation where appropriate. CH₂CH3 Br H CH₂CH₂CH3 The name of the molecule is: O (R)-4-bromohexane (S)-3-bromohexane (R)-3-bromohexane (S)-4-bromohexanec) rite in the reagent(s) over the arrow. a) C6H5N₂+ b) C6H5C=N H3C- An OH H₂C → benzene H3C benzylamine CI CH3
- What id the correct IUPAC name of this compound? Br OH • (25,4R)-2-bromo-4-pentanol O (25,45)-4-bromo-2-pentanol O (2R,45)-4-bromo-2-pentanol O (2R,4R)-4-bromo-2-pentanol O 25,4R)-4-bromo-2-pentanolMethyl isocyanate, CH3 -N= C = O, is used in the industrial synthesis of a type of pesticide and herbicide known as a carbamate. As a historical note, an industrial accident in Bhopal, India, in 1984 resulted in leakage of an unknown quantity of this chemical into the air. An estimated 200,000 people were exposed to its vapors, and over 2000 of these people died. Q.) Methyl isocyanate reacts with strong acids, such as sulfuric acid, to form a cation. Will this molecule undergo protonation more readily on its oxygen or nitrogen atom? In considering contributing structures to each hybrid, do not consider structures in which more than one atom has an incomplete octetWhat is the IUPAC name of the following compound? * CEN H2 | H2 H3C-CEC -С—с—с—ОН H3C 2-Methyl-2-hydroxymethylhex-4-yne nitrile 2-Cyano-2-methylhex-4-yne-ol 2-Hydroxymethyl-2-methylhex-4-yne nitrile 1-Cyano-2-hydroxymethyl-2-methylhex-4- yne
- The IUPAC name of the compound is (a) 5-formylhex-2-en-3-one (b) 5-methyl-4-oxohex-2-en-5-al (c) 3-keto-2-methylhex-5-enal (d) 3-keto-2-methylhex-4-enal The correct statement regarding electrophile is (a) electrophile is a negatively charged species and can form a bond by accepting a pair of electrons from another electrophile (b) electrophiles are generally neutral species and can form a bond by accepting a pair of electrons from a nucleophile (c) electrophile can be either neutral or positively charged species and can form a bond by accepting a pair of electrons from a nucleophile (d) electrophile is a negatively charged species and can form a bond by accepting a pair of electrons from a nucleophile, Which among the given molecules can exhibit tautomerism? Ph Ph I III (a) III only (b) Both I and III (d) Both II and III (c) Both I and II 5) Which of the following biphenyls is optically active? IIWhat is the organic product formed in the following reaction? C6H5-CH=CH-C-C6H5 ÷ (CH3CH2)2NH O C6H-CH-CH-C-C6H5 (CH3CH2)2N || III CH-CH, CH- (CH3CH2)2N -CH OH IV O-N(CH2CH3)2 C6H3-CH=CH-C-CH¸ CH-CH=CH-C-CHS (CH3CH₁₂N Select one: A. IV B. II OC. III D. I F1 10: - F2 80 F3 000 000 FAOf the following substances. What are the products of the reaction between 2-ethyl-3-methyl butanoic acid and secbutyl alcohol? CH3 CH2-CH3 CH3 || cs) CH-CH-CH-COO-CH-CH2-CH3 y H₂O CH3 CH3-CH₂ CH3 11 tn) CH,—CH–CH–COO–CH2-CH-CH3 y H2O CH3 -CH-CH₂-CI CH3 CH₂-CH3 11 qy) CH-CH-CH-COO-CH-CH₂-CH3 y H₂ CH3 CH3-CH₂ CH3 11 da) CH–CH–CH–COO–CH2CH-CH3 y Hà