Which of the following is $NOT$ obtained when a mixture of bromomethane and bromoethane is treated with sodium in dry ether?

$C_3H_8 + Cl_2 \xrightarrow{\text{Light}} C_3H_7Cl + HCl$ is an example of which of the following types of reactions?

$HO-CH_2-CH(OH)-CH_2-SH + CH_3MgBr \text{ (Excess)} \rightarrow xCH_4$. What is the value of $x$ in the above reaction?

Give the decreasing order of reactivity for the halogenation reaction of alkanes.

Which of the following alkanes contains primary,secondary,tertiary,and quaternary carbon atoms together?

Iodination of a hydrocarbon $(C-H \rightarrow C-I)$ with molecular iodine is a slow and reversible reaction. However,it can be carried out in the presence of an oxidizing agent such as