When $methyl \ bromide$ is heated with $Zn$,it gives:

Assertion $(A)$: Cyclohexane is the most stable cycloalkane.
Reason $(R)$: Cyclopropane and cyclobutane are less stable due to angle strain and torsional strain.
The correct answer is

As the number of carbon atoms in a chain increases,the boiling point of alkanes:

Which reagent will be used in the following process?
$CH_3-CH_2-CH_2-CH_3 \rightarrow CH_3-CH_2-CH_2-CH_2-Cl + CH_3-CH_2-CHCl-CH_3$

To prepare a pure sample of $n-$hexane using sodium metal as one reactant,the other reactant will be

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