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X+HNO(3) to Y+NO(2)+H(2)O+S, Y+Ammonium ...

`X+HNO_(3) to Y+NO_(2)+H_(2)O+S`, Y+Ammonium molybdate`to`yellow ppt. identify X:

A

`As_(2)S_(5)`

B

`Sb_(2)S_(5)`

C

`SnS_(2)`

D

`CdS`

Text Solution

Verified by Experts

The correct Answer is:
A
`As_(2)S_(5)+HNO_(3) to H_(3)AsO_(4)+NO_(2)+H_(2)O+S` (aamonium molybdate)
`H_(3)AsO_(4)+(NH_(4))_(2)MoO_(4) to `yellow ppt. f `(NH_(4))_(2)AsO_(4)*12MoO_(3)`
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