A colourless solid (A) liberates a brown gas (B) on acidification, a colourless alkaline gas (C )
Channel: Doubtnut
Date: 2020-04-12

A colourless solid (A) liberates a brown gas (B) on acidification, a colourless alkaline gas (C ) on treatment with NaOH, and a colourless non- reactive gas (D) oh heating. If heating of the solid continued, it completely disappears. Identify (A) to (D).