Among the following,the compounds which can undergo an $S_{N}1$ reaction in an aqueous solution are:

What is the product $(B)$ of the following reaction sequence?

Explain the stereochemistry of $S_{N}2$ reaction with a suitable example.

Given below are two statements $:$
Statement $(I) :$ $cis-1,2-dichloroethene$ is more polar than $cis-1,2-dibromoethene$.
Statement $(II) :$ Boiling point of $trans-1,2-dibromoethene$ is lower than $cis-1,2-dibromoethene$ but it is more polar than $cis-1,2-dibromoethene$.
In the light of the above statements,choose the most appropriate answer from the options given below $:$

Which among the following compounds converts alkyl halides to nitro alkanes?

Identify the major product in the following reaction.