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

Options

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

Answer

A

Explanation

According to wurtz reaction.
`2CH_(3)CH_(2)CH_(2)Br + 2Na overset("dry ether") CH_(3)(CH_2)_4CH_(3) + 2NaBr`
Other gives a mixture of alkanes.