Quiz | Properties and Reactions of Haloalkanes

1

Which of the following bonds has the largest bond dipole moment?

H-F

H-Cl

H-Br

H-I

2

Which statement is incorrect about the reaction of 1-bromobutane and hydroxide ion?

The leaving group is Br-

The reaction proceeds via two steps

The reaction is accompanied by inversion of configuration

The kinetic rate involves both reactants

3

Which of the following group is not a good leaving group?

Br-

TsO-

I-

HO-

4

Which of the following is least likely to undergo an SN2 reaction?

CH3Br

CH3CH2Cl

(CH3)2CHBr

(CH3)3CBr

5

Which statement is incorrect?

Rates of nucleophilic substitution are affected by steric effects

Inversion of configuration means inversion of the absolute configuration of the chiral center

SN2 reactions are favored when attack by the nucleophile is sterically unhindered

The nucleophile attacks the electrophile center on the opposite side of the good leaving group

6

Which of the following nucleophiles is the best?

NC-

HO-

Cl-

H2O

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