An aqueous solution of colourless metal ...

An aqueous solution of colourless metal sulphate `M`, gives a white precipitate with `NH_(4)OH`.This was soluble in excess of `NH_(4)OH`. On passing `H_(2)S` through this solution a white precipitate is formed.The metal `M` in the salt is:

`Ca`

`Ba`

`AI`

`Zn`

Text Solution

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The correct Answer is:

`Zn(SO_(4))overset(NH_(4)OH)rarr underset(("White ppt"))(Zn(OH)_(2)darr) underset("Excess")overset(NH_(4)OH)rarr`

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