19. Rank the nucleophilicity for halides: a. F> Cl > Br >I b. Cl>F> Br >I c. I> Br> Cl>F d. I> Cl > Br >F 20. What mechanism is/are involved in the reaction below? CH,OH heat Br ÓCH, a. SN1 & El b. SN1 & E2 c. SN2 & E1 d. SN2 & E2 21. What is the reagent used for the following reaction? IOH a. BH3/THF, then H2O2/OH b. Hg(OAc)2/H2O, then NaBH4 с. Н.О, Н d. H2, Pd/C
19. Rank the nucleophilicity for halides: a. F> Cl > Br >I b. Cl>F> Br >I c. I> Br> Cl>F d. I> Cl > Br >F 20. What mechanism is/are involved in the reaction below? CH,OH heat Br ÓCH, a. SN1 & El b. SN1 & E2 c. SN2 & E1 d. SN2 & E2 21. What is the reagent used for the following reaction? IOH a. BH3/THF, then H2O2/OH b. Hg(OAc)2/H2O, then NaBH4 с. Н.О, Н d. H2, Pd/C
Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
Section: Chapter Questions
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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![etion?
19. Rank the nucleophilicity for halides:
a. F> Cl > Br >I
b. Cl>F> Br > I*
c. I > Br> Cl >F
d. I> Cl > Br >F
20. What mechanism is/are involved in the reaction below?
CH,OH
heat
Br
OCH,
a. SN1 & El
b. SN1 & E2
c. SN2 & E1
d. SN2 & E2
21. What is the reagent used for the following reaction?
8.
IOH
a. BH3/THF, then H2O2/OH
b. Hg(OAc)2/H2O, then NaBH4
с. Н-О, Н"
d. H2, Pd/C
22. What is the major product for reaction below?
H,SO4
below
а.
d. none
23. Arrange the following substrates in order of increasing their SN2 reactivity with NaCN:
(1). bromoethane,
(3). 1-chloro-2,2-dimethylpentane,
(2). 1-chloro-3,3-dimethylpentane,
(4). 2-bromo-2-methylpentane.
a. 1<2<3<4
b. 4 <3 < 2 <1
c. 2 <3 <1 <4
d. 3 <1<2<4
24. Identify the alkyl halide that most favorites an SN2 mechanism.
a. CH3CH2CH2B1;
b. CH3CHBrCH2CH3;
c. CH3C(CH3)BrCH2CH3;
d. CH3Br
4](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fcb145b15-7ab7-4794-ba9a-e56c99bf34f0%2Fa82c66ee-7e02-4d55-9019-be0b3195df10%2Fhqnrb3_processed.jpeg&w=3840&q=75)
Transcribed Image Text:etion?
19. Rank the nucleophilicity for halides:
a. F> Cl > Br >I
b. Cl>F> Br > I*
c. I > Br> Cl >F
d. I> Cl > Br >F
20. What mechanism is/are involved in the reaction below?
CH,OH
heat
Br
OCH,
a. SN1 & El
b. SN1 & E2
c. SN2 & E1
d. SN2 & E2
21. What is the reagent used for the following reaction?
8.
IOH
a. BH3/THF, then H2O2/OH
b. Hg(OAc)2/H2O, then NaBH4
с. Н-О, Н"
d. H2, Pd/C
22. What is the major product for reaction below?
H,SO4
below
а.
d. none
23. Arrange the following substrates in order of increasing their SN2 reactivity with NaCN:
(1). bromoethane,
(3). 1-chloro-2,2-dimethylpentane,
(2). 1-chloro-3,3-dimethylpentane,
(4). 2-bromo-2-methylpentane.
a. 1<2<3<4
b. 4 <3 < 2 <1
c. 2 <3 <1 <4
d. 3 <1<2<4
24. Identify the alkyl halide that most favorites an SN2 mechanism.
a. CH3CH2CH2B1;
b. CH3CHBrCH2CH3;
c. CH3C(CH3)BrCH2CH3;
d. CH3Br
4
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