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An orange solid (A) on heating gives a g...

An orange solid (A) on heating gives a green residue (B), a colourless gas (C ) and water vapours. The dry gas (C ) on passing over heated Mg gave a white solid (D). (D) on reaction with water gave a gas (E) which formed black preciptate with mercurous nitrate solution.
which of the following is true ofr the gas (E)?

A

It gives a deep blue colouration with `CuSO_(4)` solution.

B

It is oxidised to a colorurless gas (neutral oxide ) at 1200 K in pressence of a catalyst Pt/Rh in air.

C

It gives the same gas (C ) with potassium permanganate sloution.

D

All of these.

Text Solution

Verified by Experts

The correct Answer is:
D
`(E)=NH_(3)`
`(A) Cu^(2+)+4NH_(3) to [Cu(NH_(3))_(4)]^(2+)` (deep blue colouration).
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