Propane is obtained from propene,by which of the following methods?

In the bromination of isobutane,the relative reactivity rates of $1^oH, 2^oH,$ and $3^oH$ are $1 : 82 : 1600$ respectively. Calculate the percentage yield of products $(a)$ and $(b)$ in the following reaction:
$CH_3-CH(CH_3)-CH_3 (excess) + Br_2 \xrightarrow{hv} (a) CH_3-C(Br)(CH_3)-CH_3 + (b) CH_3-CH(CH_3)-CH_2Br$

Identify the type of reaction shown in the following chemical equation:
$C_6H_5CH_3 + Br_2 \xrightarrow{h\nu} C_6H_5CH_2Br + HBr$

Which of the following methods can be used for the preparation of methane?

What is the major product formed when $2$-methylbutane reacts with bromine in the presence of sunlight?

$A$ mixture of ethyl iodide and $n-$propyl iodide is subjected to Wurtz reaction. The hydrocarbon that will not be formed is