20. Which of the following alkyl halides will react the fastest (greatest rate of reaction) for an SN1 or E1 reaction? Choose only one answer. t Br Br Br C Br E F G 21. Which of the following alkyl halides will react the fastest (greatest rate of reaction) for an SN2 reaction? Choose only one answer. Br Br Br Br E 12

20. Which of the following alkyl halides will react the fastest (greatest rate of reaction) for an SN1 or E1 reaction? Choose only one answer. t Br Br Br C Br E F G 21. Which of the following alkyl halides will react the fastest (greatest rate of reaction) for an SN2 reaction? Choose only one answer. Br Br Br Br E 12

Organic Chemistry: A Guided Inquiry

2nd Edition

ISBN:9780618974122

Author:Andrei Straumanis

Publisher:Andrei Straumanis

Chapter24: Carboxylic Acids & Derivatives

Section: Chapter Questions

Problem 10CTQ

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Similar questions

Rank these alkyl halides in order of increasing reactivity in an SN2 reaction
Alkyl halides act as what in substitution reactions? Nucleophiles Electrophiles Catalysts Product E2 is bimolecular which means: both the nucleophile and the product take part in the step whose kinetics are measured both the nucleophile and the alkyl halide take part in the step whose kinetics are measured both the product and the alkyl halide take part in the step whose kinetics are measured None of the above
Which of the products will react the fastest given an SN2 reaction ?
What type of reaction is being shown here? E2 SN1 SN2 E1
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All of the following are true of SN2 reactions except: The rate of the SN2 reaction of a substrate and a nucleophile is the same as the rate of the E2 reaction of the same two compounds. The rate varies with the concentration of nucleophile The rate varies with the type of nucleophile The nucleophile is involved in the rate-determining step
Rank the following from most reactive to least reactive in an SN1 reaction.
Rank the alkyl halides in order of increasing E2 reactivity. Then do the same for E1 reactivity.
In the box to the left of each reaction below, write the mechanism by which it occurs (could be SN1, SN2, or E1, or even 2 of them). Then draw the product(s).
Q4 Which statement below about Sn1 reactions is incorrect? (A) SN1 reactions are stepwise and have intermediates. (B) The slow step in a SN1 reaction is formation of the carbocation intermediate. (C) SN1 reactions have first order kinetics which means only the alkyl halide is involved in the rate limiting step. (D) The products of a SN1 reaction will be a pair of enantiomers. (E) An aprotic solvent is best for Sn1 reactions as they tend to help stabilize carbocation intermediates.
The formation of a carbocation is the rate-determining step for an SN2 reaction. A. True B. False
Which nucleophile would prefer simple addition over conjugate addition? CH3MgBr NaCN CH3CH2NH2 (CH3CH2)2CuLi