JEE Main & Advanced
Chemistry
Equilibrium / साम्यावस्था
Question Bank
Common ion effect, Isohydric solutions, Solubility product, Ionic product of water and salt hydrolysis
question_answer
A solution which is \[{{10}^{-3}}M\] each in \[M{{n}^{2+}},\,F{{e}^{2+}},\,Z{{n}^{2+}}\] and \[H{{g}^{2+}}\] is treated with \[{{10}^{-16}}M\] sulphide ion. If \[{{K}_{sp}}\] of \[MnS,\,FeS,\,ZnS\] and \[HgS\] are \[{{10}^{-15}},\,{{10}^{-23}},\,{{10}^{-20}}\] and \[{{10}^{-54}}\] respectively, which one will precipitate first [IIT Screening 2003]