1.

K_(sp) value of Al(OH)_(3) and Zn(OH)_(2) are 8.5 xx 10^(-23) and 1.8 xx 10^(-14) respectively. If NH_(4)OH is added in a solution of Al^(3+) and Zn^(2+), which will precipitate earlier

Answer»

`AL(OH)_(3)`
`ZN(OH)_(2)`
Both together
None

Solution :Solubility of `Al(OH)_(3)` is lesser than `Zn(OH)_(2)`.


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