Assertion $(A)$: Reaction of $but-1-ene$ with $HBr$ gives $1-bromobutane$ as the major product.
Reason $(R)$: Addition of $HBr$ to unsymmetrical alkenes proceeds according to Markovnikov's rule.
The correct answer is

  • 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

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