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pk a of a weak acid (HA) and pk b of a weak base (BOH) are 3.2 and 3.4, respectively. The pH of their salt (AB) solution is-

1. 7.0
2. 1.0
3. 7.2
4. 6.9 Students may find similar question in CP exercise sheet : [ JEE Main, Chapter : Ionic Equilibrium, Exercise-4, Q. No.8 ] [ JEE Advance, Chapter : Ionic Equilibrium, Exercise-1, Q. No.28 ]

Correct answer: 6.9 Students may find similar question in CP exercise sheet : [ JEE Main, Chapter : Ionic Equilibrium, Exercise-4, Q. No.8 ] [ JEE Advance, Chapter : Ionic Equilibrium, Exercise-1, Q. No.28 ]

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