Haloalkanes and...

$$CH\equiv CH\overset{H_2O/Hg^{2+}}{\underset{H_2SO_4}{\rightarrow}} X \overset{LiAlH_4}{\rightarrow} Y \overset{P_4/Br_2}{\rightarrow} Z$$ where Z is:

The order of decreasing reactivities of these alcohols towards nucleophilic substitution with $$HBr$$ is:

When hydrochloric acid gas is treated with propene in the presence of benzoyl peroxide, it gives:

Which of the following cannot shows $$S_{N}1$$ reaction?

Which of the following compounds are optically active?

2-Bromopentane is heated wtih potassium ethoxide in ethanol. The major product is:

Substitution takes place at the position : 

Which is optically inactive: 

$$S_N1$$ mechanism for the hydrolysos of an alkyl halide involves the formation of intermediate:

 1-Bromopropane and 2-bromopropane on treatment with sodium in presence of ether gives: