The correct order of rates of addition of ${\mathrm{Br}}_2/$water to the following alkenes is

[A] ${\mathrm{CH}}_2={\mathrm{CH}}_2$

[B] ${\mathrm{CH}}_2=\mathrm{CH}-{\mathrm{NO}}_2$

[C] ${\mathrm{CH}}_3-{\mathrm{CH}}_2-\mathrm{CH}={\mathrm{CH}}_2$

[D] ${\mathrm{CH}}_3-\stackrel{\underset{|}{{\mathrm{CH}}_3}}{\mathrm{CH}}={\mathrm{CH}}_2$

The major product in the following conversion is

The major product of the following reaction is:

In the given reaction, the product $\mathrm{P}$ is

What is the major product expected from the following reaction?



Where D is an isotope of hydrogen.

The major product formed in the following reaction is :

${\mathrm{CH}}_3\mathrm{CH}=\mathrm{CHCH}{\left({\mathrm{CH}}_3\right)}_2\stackrel{\mathrm{HBr}}{\to }$

The major product in the following reaction is :