A substance on treatment with dilute `H_(2)SO_(4)` liberates a colourless gas which produce
Channel: Doubtnut
Date: 2020-04-05

A substance on treatment with dilute `H_(2)SO_(4)` liberates a colourless gas which produces `(I)` turbidity with baryta water and `(ii)` turns acidified dichromate solution green. The reaction indicates the presence of `:`