What is the range of the number of carbon atoms in alkanes found in paraffin wax?

The reaction $CH_4 + Cl_2 \xrightarrow{uv \ light} CH_3Cl + HCl$ is an example of

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 $:$

Ethylene dibromide ($1$,$2$-dibromoethane) on heating with metallic sodium in ether solution yields:

The false statement regarding alkanes is

What is the minimum quantity (in grams) of methyl iodide required for preparing one mole of ethane by Wurtz reaction?
(Atomic weight of iodine $= 127$)