Molar conductance of 2 M H2A acid is 10 S cm2 mol–1. Molar conductance of H2A at infinite dilution is 400 S cm2 mol–1. Which statement is/are correct? (1) Degree of dissociation is 2.5% and pH of solution is 1.3 (2) Degree of dissociation is 4 and pH of solution is 1.4 (3) Dissociation constant of H2A is 6.24 × 10–5 (4) Dissociation constant of H2A as per H2H A ⇋ is 2.56 x 10–4

Molar conductance of 2 M H2A acid is 10 S cm2 mol–1. Molar conductan

1.	Molar conductance of 2 M H2A acid is 10 S cm2 mol–1. Molar conductance of H2A at infinite dilution is 400 S cm2 mol–1. Which statement is/are correct? (1) Degree of dissociation is 2.5% and pH of solution is 1.3 (2) Degree of dissociation is 4 and pH of solution is 1.4 (3) Dissociation constant of H2A is 6.24 × 10–5 (4) Dissociation constant of H2A as per H2H A ⇋ is 2.56 x 10–4
Answer» (1) Degree of dissociation is 2.5% and pH of solution is 1.3

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