An extra carboxylic group is present in

Number of carboxylic acid groups present in picric acid is/are:

In which carboxyl group is present as carboxylate ion and amino group is present as amonium ion. This dipolar ion is also known as ____ ion.

Attachment of vinyl group or phenyl group directly to carboxylic acid group has effect on the acidic character of that carboxylic acid. Explain.

Attachment of vinyl group or phenyl group directly to carboxylic acid group has effect on the acidic character of that carboxylic acid. Explain.

Both amino group and carboxylic group are in ionised form in alpha acid at pH