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

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

Which of the following products is $NOT$ formed by the reaction between methane and chlorine in the presence of sunlight?

What is the difference in molar mass of any two neighbouring alkanes?

Select the chain propagation steps in the free-radical chlorination of methane.
$(1) \, Cl_2 \to 2Cl^{\bullet}$
$(2) \, Cl^{\bullet} + CH_4 \to CH_3Cl + H^{\bullet}$
$(3) \, Cl^{\bullet} + CH_4 \to CH_3^{\bullet} + HCl$
$(4) \, H^{\bullet} + Cl_2 \to HCl + Cl^{\bullet}$
$(5) \, CH_3^{\bullet} + Cl_2 \to CH_3Cl + Cl^{\bullet}$

In which of the following reactions is the product not an alkane?