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Reactions Of Haloalkanes Mock Tests

14 questions available

Reactions Of Haloalkanes Mock Test 1

Questions: 14

नमूना प्रश्न

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
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
In an SN1 reaction, the rate-determining step is:
A The attack of the nucleophile on the carbocation
B The departure of the leaving group to form a carbocation
C The rearrangement of the carbocation
D Both the departure of the leaving group and the formation of the carbocation
CUET Chemistry
Which of the following carbocations is the most stable?
A CH₃⁺
B CH₃CH₂⁺
C (CH₃)₂CH⁺
D (CH₃)₃C⁺
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
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
Which of the following alkyl halides will undergo SN1 reaction the fastest?
A Chloroethane
B Bromoethane
C 2-Chloropropane
D 2-Chloro-2-methylpropane
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

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