Reaction of ethyl chloride with sodium leads to

Identify the major product in the following reaction:
$Ph-CH_2-CH(CH_3)_2 \xrightarrow[hv]{Cl_2 (1 \ mol)}$ Major product

What is the product of the reaction: $CH_3CH_3 + HNO_3 \xrightarrow{675 \ K}$?

An unknown compound $X$ on chlorination followed by Wurtz reaction and dehydrohalogenation gives ethene. Provide the complete reaction sequence in a stepwise manner.

Which of the following reactions produce an alkane as the product?

Why are alkanes known as "Paraffins"?