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An inorganic sulphate on reaction with v...

An inorganic sulphate on reaction with very dilute NaOH gave a precipitate which dissolved in excess of NaOH. The resultant dissolved in excess of NaOH. The resultant solution gave the sulphide of the metal when hydrogen sulphide gas was passed through it. The inorganic sulphate is

A

`MnSO_(4)`

B

`FeSO_(4)`

C

`NiSO_(4)`

D

`ZnSO_(4)`

Text Solution

Verified by Experts

The correct Answer is:
D
`ZnSO_(4)+NaOH rarr Zn(OH)_(2) overset("Excess NaOH")(rarr)Na_(2)ZnO_(2)`
`Na_(2)ZnO_(2)+H_(2)S rarr Na_(2)S`
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