Which of the following compounds can be best prepared by Wurtz reaction?

Give an example of the preparation of an alkane from an alkyl halide.

When ethyl iodide and propyl iodide react with $Na$ in the presence of ether,they form

$A$ hydrocarbon $C_5H_{12}$ does not react with chlorine in the dark but gives six monochloro compounds in bright sunlight. The hydrocarbon is:

The alkane that yields two isomeric monobromo derivatives is

Carbon black,which is used in making printer's ink,is obtained by decomposition of