Question

attachment of NH2 group which mentioning cause​

Answer 1

Answer:

Both Assertion and Reason are correct and Reason is the correct explanation for Assertion

−NH

2

group of aniline is ortho, para directing in electrophilic substitutions.

−NH

2

group stabilises the arenium ion formed by the ortho, para attach of the electrophile.

−NH

2

group has unshared pair of electrons on N atom. It is electron releasing due to +E and +M effect. It increases the electron density on benzene nucleus in ortho and para positions and activates the ring.

Hence, both Assertion and Reason are correct and Reason is the correct explanation for Assertion.