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Original solution of salt or mixture sho...

Original solution of salt or mixture should not be prepared in concentrated `HNO_(3)` because it:

A

is highly corrosive

B

oxidises `H_(2)S` to `S` in `II^(nd)` group.

C

undergoes disproportionation reaction

D

converts sulphide of `Ba, Sr` and `Pb` into insoluble sulphates

Text Solution

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The correct Answer is:
B,D
(B)`2HNO_(3)to 2NO_(2)+H_(2)O+[O],H_(2)S+[O]toH_(2)O+S darr`
(D)`2HNO_(3)to 2NO_(2)+H_(2)O+[O],PbS+[O]to PbSO_(4) darr`
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  10. Which of the following statement(s) is/are not correct?

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