51. For the following two reactions, which statement is TRUE? E reactants products Reaction A reactants Reaction B products A. Reaction A is faster and less exergonic than B B. Reaction B is faster and more exergonic than A C. Reaction A is faster and less endergonic than B D. Reaction B is faster and more endergonic than A

Organic Chemistry: A Guided Inquiry
2nd Edition
ISBN:9780618974122
Author:Andrei Straumanis
Publisher:Andrei Straumanis
Chapter8: Addition Via Carbocation
Section: Chapter Questions
Problem 15E
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51. For the following two reactions, which statement is TRUE?
E
reactants
products
Reaction A
reactants
Reaction B
products
A. Reaction A is faster and less exergonic than B
B. Reaction B is faster and more exergonic than A
C. Reaction A is faster and less endergonic than B
D. Reaction B is faster and more endergonic than A
52. In a concerted or single step reaction,
A. the rate of forward reaction is equal to the rate of backward reaction.
B. the free energy of the reaction is negative
C. the free energy of the reaction is positive
D. the stability of the transition state controls the rate of the reaction.
Transcribed Image Text:51. For the following two reactions, which statement is TRUE? E reactants products Reaction A reactants Reaction B products A. Reaction A is faster and less exergonic than B B. Reaction B is faster and more exergonic than A C. Reaction A is faster and less endergonic than B D. Reaction B is faster and more endergonic than A 52. In a concerted or single step reaction, A. the rate of forward reaction is equal to the rate of backward reaction. B. the free energy of the reaction is negative C. the free energy of the reaction is positive D. the stability of the transition state controls the rate of the reaction.
53. Refer to the following reaction mechanism:
CH3-C OCH3
A
+
OH
slow
0
CH3-C-OCH3
OH
fast
O
1 1 1 1
CH₂-C²-0
CH3-C-OH + CH3O
fast
H₂C²-0
CH3C-O + CH3OH
Assuming that the final product is more stable than the reactant, which energy diagram is consistent
with the proposed mechanism.
B.
E.
mmm mim
Transcribed Image Text:53. Refer to the following reaction mechanism: CH3-C OCH3 A + OH slow 0 CH3-C-OCH3 OH fast O 1 1 1 1 CH₂-C²-0 CH3-C-OH + CH3O fast H₂C²-0 CH3C-O + CH3OH Assuming that the final product is more stable than the reactant, which energy diagram is consistent with the proposed mechanism. B. E. mmm mim
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