On adding {NaOH} to ammonium sulphate, a ...

CBSE Class 12 Chemistry 2016 Delhi Set 1 Solved Paper

Question : 2 of 26

Marks: +1, -0

On adding

\mathrm{NaOH}

to ammonium sulphate, a colourless gas with pungent odour is evolved which forms a blue coloured complex with

\mathrm{Cu}^{2+}

ion. Identify the gas.

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