What is maximum pH required to prevent the precipitation of ZnS in a solution that is 0.01 M
Channel: Doubtnut
Date: 2020-04-19

What is maximum pH required to prevent the precipitation of ZnS in a solution that is 0.01 M `ZnCl_(2)` and saturated with 0.10M `H_(2)S`?   [Given : `K_(sp)(ZnS)=10^(-21),`   `K_(a_(1))xxK_(a_(2))` (of `H_(2)S`)=`10^(-20)`]