How many of the following compounds will form acetic acid on reaction with acidic ${\text{KMnO}}_4$ ?
Prop- $1$ -ene, $2$ -Methylbut- $2$ -ene, $2$ -Methylpropene, But- $2$ -ene, Cyclohexene.

The major product in the following conversion is

The major product of the following reaction is:

In the following reaction sequence

X and Y are

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 of the following reaction is: