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(A) : Reaction of 1-butene with HBr give...

(A) : Reaction of 1-butene with HBr gives 1-bromobutane as major product
(R ) : Addition of hydrogen halides to alkenes proceeds according to Markovnikov's rule

A

A and R are true, R explains A

B

A and R are true, R does not explain A

C

A is true, but R is false

D

A is false, but R is true'

Text Solution

Verified by Experts

The correct Answer is:
D
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Knowledge Check

  • Assertion (A): Reaction of 1-butene with HBr gives 1-bromobutane as major product. Reason (R): Addition of hydrogen halides to alkenes proceeds according to Markovnikovs rule.

    A
    A) and (R) are correct, (R) is the correct explanation of(A)
    B
    (A) and (R) are correct but (R) is not the correct explanation of (A)
    C
    (A) is correct but (R) is not correct
    D
    (A) is not correct but (R) is correct

  • (A) : Propene reacts with HBr to give isopropyl bromide. (R ) : Addition of hydrogen halide to alkenes follows Markownikoff's rule

    A
    A and R are true, R explains A
    B
    A and R are true, R does not explain A
    C
    A is true, but R is false
    D
    A is false, but R is true'

  • (A) Addition of HBr on but-2-ene gives two structural isomeric products (R) Addition of HBr on but-2-ene follows Markownikoff's rule.

    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

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