BITSAT 2014 Paper

Section: Chemistry

Question : 49 of 150

Marks: +1, -0

Kc for the the reaction, [Ag(CN)2]– ⇄ Ag+ + 2CN– , the equillibrium constant at 25°C is 4.0 × 10–19, then the silver ion concentration in a solution which was originally 0.1 molar in KCN and 0.03 molar in AgNO3 is :

7.5 × 1018
7.5 × 10−19
7.5 × 1019
7.5 × 10−18

Validate

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