The solubility product of hydroxides of ...

The solubility product of hydroxides of `Mg^(+2), Zn^(+2)` and `Fe^(+3)` decreses as `K_(sp) Mg(OH)_(2) gt K_(sp) Zn(OH)_(2) gt K_(sp) Fe(OH)_(3)`. The correct order of precipitation of the hydroxides with increasing time is

A

`Fe(OH)_(2), Zn(OH)_(2), Mg(OH)_(2)`

B

`Mg(OH)_(2), Zn(OH)_(2),Fe(OH)_(3)`

C

`Zn(OH)_(2), Fe(OH)_(3), Mg(OH)_(2)`

D

`Zn(OH)_(2), Mg(OH)_(2), Fe(OH)_(3)`

Text Solution

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The correct Answer is:

A

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