MEDIUMMCQ SINGLEIChO (Chemistry Olympiad)Physical ChemistryIonic equilibriumOstwald's Dilution Law
Concentration CN – in 0.1 M HCN is [Ka = 4 × 10 –10]
A.2.5 × 10
B.4.5 × 10
C.6.3 × 10✓ Correct
D.9.2 × 10
Explanation
a H K α C C H K C a x 10 H 4 10 0.1 x x 6 H 6.3 10 M x H CN for HCN 6 CN 6.3 10 M x IONIC EQUILIBRIUM 33
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