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Equilibrium

Question
CBSEENCH11006494

Write the correct balanced net ionic equation for the reaction whose equilibrium constant at 298K is:
(i) Ka(C6H5COOH) = 6·3 × 10–5
(ii) Ka(H2C2O4) = 5·4 × 10–2
(iii) Ka ( HSO3) = 2·8 × 10–7
(iv) Kb(OCl) = 9·1 × 10–7

Solution
left parenthesis straight i right parenthesis space straight C subscript 6 straight H subscript 5 COOH space plus space straight H subscript 2 straight O space space space rightwards harpoon over leftwards harpoon space space space space straight C subscript 6 straight H subscript 5 COO to the power of minus space plus space straight H subscript 3 straight O to the power of plus
left parenthesis ii right parenthesis space straight H subscript 2 straight C subscript 2 straight O subscript 4 space plus space 2 straight H subscript 2 straight O space space rightwards harpoon over leftwards harpoon space space space space straight C subscript 2 straight O subscript 4 superscript 2 minus end superscript space plus space 2 straight H subscript 3 straight O to the power of plus
left parenthesis iii right parenthesis space HSO subscript 3 superscript minus space plus space straight H subscript 2 straight O space space rightwards harpoon over leftwards harpoon space space space SO subscript 3 superscript 2 minus end superscript space plus space straight H subscript 3 straight O to the power of plus
left parenthesis iv right parenthesis space space OCl to the power of minus space plus space straight H subscript 2 straight O space rightwards harpoon over leftwards harpoon space space HClO space plus space OH to the power of minus