Haloalkanes and Haloarenes  MCQs

MCQs of Haloalkanes and Haloarenes

Showing 31 to 40 out of 112 Questions
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31.
Isopropyl chloride undergoes hydrolysis by _____
(a) SN1 mechanism
(b) SN2 mechanism
(c) SN1 and SN2 mechanisms
(d) Neither SN1 nor SN2 mechanism
Answer:

Option (c)

32.
A set of compounds in which reactivity of halogen atom in their ascending order is _____
(a) Chlorobenzene, Vinyl chloride, Chloroethane
(b) Chloroethane, Chlorobenzene, Vinyl chloride
(c) Vinyl chloride, Chlorobenzene, Chloroethane
(d) Vinyl chloride, Chloroethane, Chlorobenzene
Answer:

Option (a)

33.
Alkyl chloride on dehydrochlorination gives _____
(a) Propadine
(b) Propylene
(c) Alkyl alcohol
(d) Acetone
Answer:

Option (a)

34.
Which of the following compounds is not chiral ?
(a) 1- chloropentane
(b) 2- chloropentane
(c) 1-chloro 2-methylpentane
(d) 3-chloro 2-methylpentane
Answer:

Option (a)

35.
Which of the following is most reactive towards nucleophilic substitution reaction ?
(a) CH2 = CH - Cl
(b) C6H5Cl
(c) CH3CH = CHCl
(d) ClCH2 - CH = CH2
Answer:

Option (d)

36.
Chlorination of toluene in presence of light and heat follwed by treatment with aqueous NaOH gives.
(a) o-cresol
(b) p-cresol
(c) Mixture of o-cresol and p-cresol
(d) Benzoic acid
Answer:

Option (d)

37.
For the following : (a) I- (b) Cl- (c) Br- the increasing order of nucleophilicity would be _____
(a) Br- < Cl- < I-
(b) I- < Br- < Cl-
(c) Cl- < Br- < I-
(d) I- < Cl- < Br-
Answer:

Option (c)

38.
Which of the following is correct order of decreasing SN2 reactivity ?
(a) R2CHX > R3CX > RCH2X
(b) RCH2X > R3CX > R3CX
(c) RCH2X > R2CHX > R3CHX
(d) R3CX > R2CHX > RCH2X (X = halogen)
Answer:

Option (c)

39.
When you heat chloroform with silver powder _____ is formed.
(a) ethene
(b) ethyne
(c) methane
(d) ethane
Answer:

Option (b)

40.
_____ is obtained when 1-chloro butane reacts with alcoholic potash ?
(a) 1- butanol
(b) 2-butene
(c) 1-butene
(d) 2-butanol
Answer:

Option (c)

Showing 31 to 40 out of 112 Questions
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