What is the major product of the following reaction?
$1\text{-methylcyclohexene} \xrightarrow{Br_2, H_2O} ?$

The $E_2$ product of the following reaction will be?

When $2-$Chlorobutane is boiled with a concentrated alcoholic solution of $KOH$,the major product formed is:

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 $:$

What are ambident nucleophiles? Explain with an example.

Which of the following pairs of compounds on heating gives butanenitrile?