MCQ’S on Haloalkanes and Haloarenes

Sure! Here are some NEET MCQs on Haloalkanes and Haloarenes along with their answers:

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1. Which of the following is a primary haloalkane?
(a) 2-Bromo-2-methylbutane
(b) 1-Bromo-2-methylbutane
(c) 2-Bromo-3-methylbutane
(d) 3-Bromo-2-methylbutane

Answer: (b) 1-Bromo-2-methylbutane

2. Which of the following compounds will undergo the fastest SN1 reaction?
(a) 1-Chloro-3-methylbutane
(b) 1-Bromo-3-methylbutane
(c) 1-Iodo-3-methylbutane
(d) 1-Fluoro-3-methylbutane

Answer: (c) 1-Iodo-3-methylbutane

3. Which of the following reactions is an example of a nucleophilic substitution reaction?
(a) Bromination of benzene
(b) Dehydrohalogenation of alkyl halide
(c) Formation of alkene from alkyl halide
(d) Hydrolysis of alkyl halide

Answer: (d) Hydrolysis of alkyl halide

4. Which of the following is not a haloarene?
(a) Chlorobenzene
(b) Bromobenzene
(c) Fluorobenzene
(d) Iodobenzene

Answer: (c) Fluorobenzene

5. Which of the following reactions is an example of the Sandmeyer reaction?
(a) Conversion of chlorobenzene to bromobenzene
(b) Conversion of chlorobenzene to phenol
(c) Conversion of chlorobenzene to aniline
(d) Conversion of chlorobenzene to toluene

Answer: (a) Conversion of chlorobenzene to bromobenzene