Which of the following reagents is used in the preparation of nitroalkane from haloalkane?

Explain isomerism in Haloalkanes.

Which of the following compounds will undergo $S_{N^1}$ reaction most easily?

Which among the following is $NOT$ a feature of $S_{N}2$ mechanism?

The increasing rate of $S_N1$ reaction in the following compounds is:

In the following reaction sequence,the correct structure$(s)$ of $X$ is (are)
$X$ $\xrightarrow[2) NaI, Me_2CO]{1) PBr_3, Et_2O}$ $\xrightarrow{3) NaN_3, HCONMe_2} \text{enantiomerically pure product}$