Question

To prepare a pure sample of $n$-hexane using sodium metal as one reactant, the other reactant will be

• A. Ethyl chloride and $n$ - butyl chloride
• B. Ethyl bromide and $n$ - butyl bromide
• C. $n$ - propyl bromide
• D. Methyl bromide and $n$ - pentyl chloride

Answer 1

Answer: (C)

According to Wurtz reaction.
$2 CH _{3} CH _{2} CH _{2} Br +2 Na \xrightarrow{\text { ether }}CH _{3}\left( CH _{2}\right)_{4} CH _{3}+2 NaBr$