AP EAMCET Engineering 25 Apr 2017 Shift 1 Paper

Section: Chemistry

Question : 130 of 160

Marks: +1, -0

A solution which is 10−3M each in Mn2+,Fe2+,Zn2+ and Hg2+ is treated with 10−16M sulphide ion. If the Kspof MnS,FeS,ZnS and HgS are 10−15,10−23,10−20‌and‌10−54 respectively, which one will precipitate first ?

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