Q. Consider the following reaction :
The product 'X' is used :

3556 287 JEE MainJEE Main 2020Amines Report Error

A

in protein estimation as an alternative to ninhydrin

33%

B

in laboratory test for phenols

67%

C

as food grade colourant

0%

D

in acid base titration as an indicator

0%

Solution:

It is an acid base indicator

Solution Image