For a concentrated solution of a weak electrolyte (Keq = equilibrium constant) A2B3 of concentration 'c', the degree of dissociation '' is (A) / 5 eq c K (B) / 4 eq c K (C) / 4 eq c K (D) / 2 eq c K

Question

For a concentrated solution of a weak electrolyte (Keq = equilibrium constant) A2B3 of concentration 'c', the degree of dissociation '' is

(A) / 5 eq c K
(B) / 4 eq c K
(C) / 4 eq c K
(D) / 2 eq c K

Prashant Kotian · Accepted Answer

A2B3 2A + 3B Initial conc. C 0 C – C 2C 3C K = ) C C ( ) C ( ) C ( 2     K = C C 5 5 = 108C45  = / 4 C K    

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