The product $(A)$ is:

Consider the above reaction,the major product $P$ formed is:

In the above reaction,the electrophile is substituted at the meta position only,due to:
$I$. Electron density is more at ortho $\&$ para positions
$II$. Electron density is relatively less at ortho $\&$ para positions
$III$. Electron density is less at meta position
$IV$. Electron density is relatively more at meta position
The correct answer is:

The arenium ion which is not involved in the bromination of aniline is:

In an organic reaction,explain the reactant,substrate,and products obtained. What is the mechanism of the reaction?

The given reaction is a pinacol-pinacolone rearrangement. Which of the following is not correct about the product formed?