MEDIUMMCQ SINGLEIChO (Chemistry Olympiad)Physical ChemistryIonic equilibriumDissociation of Weak Acids and Bases

The hydrogen ion concentration of 0.2 N CH3COOH which is 40% dissociated is

A.0.08 N✓ Correct

B.0.12 N

C.0.80 N

D.1.2 N.

Explanation

We know that- + 3 3 3 + CH COOH CH COO +H Given,[CH COOH]=0.2N [H ]=0.2×40/100=0.08N

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