4. Answer the following questions about the given energy diagram. (18 points) Free energy (G) Br+ Cl Intermediate +Br -Cl + Br Reaction coordinate a) For this reaction, AG is (circle one): Positive Negative Close to Zero b) For this reaction, AS is (circle one): Positive Negative Close to Zero c) Based on the Hammond Postulate, the second transition state will more closely resemble (circle one): Reactants Intermediate Products d) The rate law for the reaction can be given as Rate = k [(CH3)3CBr]. True or false? Doubling the amount of chloride anion (CI) will double the rate of the reaction (circle one): True False e) True or false? Doubling the amount of (CH3)3CBr will double the rate of the reaction (circle one): True False f) True or false? Adding a catalyst will increase the rate of the reaction by lowering the energy of the transition state. (circle one) True False 5

Organic Chemistry: A Guided Inquiry
2nd Edition
ISBN:9780618974122
Author:Andrei Straumanis
Publisher:Andrei Straumanis
Chapter8: Addition Via Carbocation
Section: Chapter Questions
Problem 9E
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4. Answer the following questions about the given energy diagram. (18 points)
Free
energy
(G)
Br+ Cl
Intermediate
+Br
-Cl + Br
Reaction coordinate
a) For this reaction, AG is (circle one):
Positive
Negative
Close to Zero
b) For this reaction, AS is (circle one):
Positive
Negative
Close to Zero
c) Based on the Hammond Postulate, the second transition state will more
closely resemble (circle one):
Reactants
Intermediate
Products
d) The rate law for the reaction can be given as Rate = k [(CH3)3CBr].
True or false? Doubling the amount of chloride anion (CI) will double the
rate of the reaction (circle one):
True
False
e) True or false? Doubling the amount of (CH3)3CBr will double the rate of the
reaction (circle one):
True
False
f) True or false? Adding a catalyst will increase the rate of the reaction by
lowering the energy of the transition state. (circle one)
True
False
5
Transcribed Image Text:4. Answer the following questions about the given energy diagram. (18 points) Free energy (G) Br+ Cl Intermediate +Br -Cl + Br Reaction coordinate a) For this reaction, AG is (circle one): Positive Negative Close to Zero b) For this reaction, AS is (circle one): Positive Negative Close to Zero c) Based on the Hammond Postulate, the second transition state will more closely resemble (circle one): Reactants Intermediate Products d) The rate law for the reaction can be given as Rate = k [(CH3)3CBr]. True or false? Doubling the amount of chloride anion (CI) will double the rate of the reaction (circle one): True False e) True or false? Doubling the amount of (CH3)3CBr will double the rate of the reaction (circle one): True False f) True or false? Adding a catalyst will increase the rate of the reaction by lowering the energy of the transition state. (circle one) True False 5
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