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(A) Towards SN2 reaction, order of react...

(A) Towards `S_N2` reaction, order of reactivity is `CH_3Br > CH_3CH_2Br > (CH_3)_2CHBr > (CH_3)_3 C Br`.
(R) Greater the stability of carbocation, greater will be its ease of formation from alkyl halide and faster will be the rate of `S_N1` reaction.

A

Both (A) and (R) are correct and (R) is the correct explanation of (A)

B

Both (A) and (R) are correct but (R) is not the correct explanation of (A)

C

(A) is True but (R) is False

D

Both (A) and (R) are false

Text Solution

Verified by Experts

The correct Answer is:
B
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Knowledge Check

  • The reaction is CH_(2) = CH- CH_(3) + HBr rarr CH_(3) - CHBr-CH_(3)

    A
    Nucleophilic addition
    B
    Electrophilic substitution
    C
    Electrophilic addition
    D
    Free radical addition

  • Correct order of reactivity of alkyl bromides towards SN^2 reaction is CH_3Br(I) , CH_3CH_2Br(II), (CH_3)_2CHBr(III), (CH_3)_3C.Br(IV)

    A
    IV gt II gt III gt I
    B
    I gt II gt III gt IV
    C
    I gt IV gt II gt III
    D
    IV gt III gt II gt I

  • The correct order of reactivity of alkyl halides: CH_3CH_2Cl, CH_3CHClCH and (CH_3)_3 C Cl towards dehydrohalogenation ?

    A
    `CH_3CH_2Cl gt CH_3CHClCH_3 gt (CH_3)_(3)C Cl`
    B
    `CH_3CHClCH_3 gt (CH_3)_3C Cl gt CH_3CH_2Cl`
    C
    `(CH_3)_3C Cl gt CH_3CH_2Cl gt CH_3CHClCH_3`
    D
    `(CH_3)_3 C Cl gt CH_3CHClCH_3 gt CH_3CH_2Cl`
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