Which gas is liberated when $Al_4C_3$ is hydrolysed?

$Ph^{-}MgCl \xrightarrow{\text{Hydrolysis}} \text{Product}$
Product will be

What do you mean by $Alkane$? Explain the formation of $Alkane$ from $Methane$ $(CH_{4})$,by substituting the hydrogen atoms with a $-CH_{3}$ group.

Which of the following compounds has the maximum boiling point?

Identify the final product $C$ in the following reaction sequence:
$Br-(CH_2)_5-Br$ $\xrightarrow{Na, \text{D.E.}} A$ $\xrightarrow{Br_2, \Delta} B$ $\xrightarrow{\text{alc. KOH}, \Delta} C$

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