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A dark violet solid X reacts with NH3 to...

A dark violet solid X reacts with `NH_3` to form a mild explosive which decomposes to give a violet coloured gas .X also reacts with `H_2` to give an acid Y. Y can also be prepared by heating its salt with `H_3PO_4 .X and Y` are :

A

`Cl_2, HCl`

B

`SO_2, H_2SO_4`

C

`Br_2,HBr`

D

`I_2, HI`

Text Solution

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The correct Answer is:
D
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