The major products $P$ and $Q$ of the following reactions respectively are:
$I$. $n$-pentyl bromide $\xrightarrow{Zn / H^{+}} P$
$II$. $n$-pentyl bromide $\xrightarrow[\text{Dry ether}]{Na} Q$

  • A
    pentane; decane
  • B
    pent$-1-$ene; decane
  • C
    pentane; pentane
  • D
    pentane; $1$-decene

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