state gov RPSC 2nd Grade Senior Teacher Mock Test Series 2025 Chemistry Equilibrium Chemical Equilibrium
Kc for the reaction [Ag(CN)2]– \(\rightleftharpoons\) Ag+ + 2CN– , the equilibrium constant at 25ºC is 4.0 × 10–19 then the Ag+ ion concentration in a solution which was originally 0.1 M in KCN and 0.03 M in AgNO3 is:
1
7.5 × 1018
2
7.5 × 10–18
3
7.5 × 1019
4
7.5 × 10–19
5
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