On treating a mixture of two alkyl halides with sodium metal in dry ether, `2`-methylpropane was obtained. The alkyl halides are

Options

A. 2-chloropropane and chloromethane
B. 2-chloropropane and chloroethane
C. Chloromethane and chloroethane
D. Chloromethane and 1-chloropropane

Answer

A

Explanation

It is Wurtz reaction in which hydrocarbon formed when alkyl halide react with Na metal in dry ether.
`CH_3-overset(Cl)overset(|)underset("2-chloro propane")(CH)-CH_3+underset("chloro methane")CH_3Cl+2Na overset("ether")(rarr)CH_3-overset(CH_3)overset(|)underset("2-methyl propane")(CH)-CH_3+2NaCl`