Reactions Of Haloalkanes Mock Tests

14 questions available

Reactions Of Haloalkanes Mock Test 1

Questions: 14

Sample Questions

CUET Chemistry

The SN1 reaction of (CH₃)₃CBr with H₂O proceeds through which intermediate?

A A planar carbocation

B A tetrahedral intermediate

C A free radical

D A carbanion

CUET Chemistry

In an SN2 reaction, the stereochemical outcome is:

A Retention of configuration

B Inversion of configuration (Walden inversion)

C Racemisation

D No stereochemical change

CUET Chemistry

Arrange the following alkyl chlorides in increasing order of their reactivity towards SN1 reaction: (I) CH₃CH₂Cl, (II) (CH₃)₂CHCl, (III) (CH₃)₃CCl, (IV) CH₂=CHCH₂Cl

A I < II < III < IV

B I < II < IV < III

C IV < I < II < III

D III < II < I < IV

CUET Chemistry

The SN1 reaction mechanism involves which of the following steps in the correct sequence?

A Nucleophilic attack → carbocation formation → loss of leaving group

B Loss of leaving group → nucleophilic attack → deprotonation (if needed)

C Loss of leaving group → deprotonation → nucleophilic attack

D Nucleophilic attack → loss of leaving group → carbocation formation

CUET Chemistry

Which of the following substrates will undergo SN1 reaction the fastest?

A CH₃CH₂Cl

B CH₃CH(Cl)CH₃

C (CH₃)₃CCl

D CH₂=CHCH₂Cl

CUET Chemistry

In SN2 reaction, the stereochemical outcome is:

A Retention of configuration

B Inversion of configuration (Walden inversion)

C Racemisation

D No stereochemical change

CUET Chemistry

An optically active alkyl halide (R)-2-bromobutane reacts with NaOH via an SN2 mechanism. What is the stereochemistry of the product?

A (S)-2-butanol with inversion of configuration

B (R)-2-butanol with retention of configuration

C A racemic mixture of (R) and (S)-2-butanol

D (R)-2-butanol with partial inversion

CUET Chemistry

Which of the following alkyl halides will undergo SN1 reaction most readily?

A (CH₃)₃C−I

B (CH₃)₃C−Br

C (CH₃)₂CH−CH₂−I

D CH₃−CH₂−I

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