The compound having only primary hydrogen atoms is

Name the reaction:
$C_{10}H_{22} \xrightarrow{900 \ K} C_4H_8 + C_6H_{14}$

For the reaction of $2-$methylbutane with $Cl_2$ in the presence of $hv$,let $N$ be the total number of isomeric monochlorinated products (including stereoisomers). If these products are separated by fractional distillation,let $M$ be the number of fractions obtained. Find the values of $N$ and $M$.

$C_2H_6 \xrightarrow{450^{\circ}C} C_2H_4 + H_2$
The above reaction is called:

The best method for the preparation of $2, 2-$dimethylbutane is via the reaction of

Photochemical chlorination of alkane is initiated by a process of