Of the five isomeric hexanes,the isomer which can give two monochlorinated compounds is

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 the following monobromination reaction,the number of possible chiral products is

The condition for the maximum yield of $C_2H_5Cl$ is:

When isobutane is treated with $Cl_2$ in sunlight,the major product is

Identify the product $Z$ in the following series of reactions: $CH_3CH_2OH$ $\xrightarrow{SOCl_2, \Delta} X$ $\xrightarrow{Mg, \text{Dry ether}} Y$ $\xrightarrow{NH_3} Z + Mg(Cl)(NH_2)$