1.

Zinc(II) ion on reaction with NaOH first give a white precipitate which dissolves in excess of NaOH due to the formation of :

Answer»

`ZnO`
`Zn(OH)_(2)`
`[Zn(OH)_(4)]^(2-)`
`[Zn(H_(2)O)_(4)]^(2-)`

Answer :C


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