Which product is obtained on heating sodium acetate with sodalime?

Among the following reactions,the reaction that "does not" give an alkane product is:

The product of a reaction at $773 \ K$ temperature is $C_7H_{16} + C_5H_{10}$. Identify the reactant and the type of reaction.

What is $Z$ in the following sequence of reaction? $2-$methyl$-2-$bromopropane $\underset{\text{Dry ether}}{}$ ${\xrightarrow{Mg}} X$ $\xrightarrow{H_2O} Z$

What are $N$ and $M$?

If a mixture of iodomethane $(CH_3I)$ and iodoethane $(C_2H_5I)$ is treated with sodium metal in the presence of dry ether,it forms: