1.

Which one of the following does not give a precipitate with anexcess of aqueous NaOH solution ?

Answer»

`ZnSO_(4)`
`CuSO_(4)`
`FeSO_(4)`
`MnSO_(4)`

SOLUTION :`ZnSO_(4)` GIVES `ZN(OH)_(2)` and soluble in excess of NaOH to give `Na_(2)ZnO_(2)`


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