The process in which higher hydrocarbons are broken down into lower hydrocarbons by controlled pyrolysis is called:

$A$ mixture of all isomers possible from the mono-chlorination of the structure $n$-pentane $(CH_3-CH_2-CH_2-CH_2-CH_3)$ is subjected to fractional distillation. How many fractions will be obtained?

Identify the major product $(99 \%)$ formed when $(CH_3)_3CH$ is treated with $Br_2$ in $UV$ light.

Which gas is liberated when $Al_4C_3$ is hydrolysed?

Given below are two statements $:$
Statement $(I) :$ Neopentane forms only one monosubstituted derivative.
Statement $(II) :$ Melting point of neopentane is higher than $n-$pentane.
In the light of the above statements,choose the most appropriate answer from the options given below $:$

Which free radicals are obtained on anode and cathode during electrolysis of $RCOO^{-}Na^{+}$ in Kolbe's electrolysis?