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Calculate ionisation constant for pyridinium hycirogen chloride. (given that H+ ion concentration is 3.6 x 10-4 M and its concentration is 0.02 M.)

(a) 6.48 x 10-2

(b) 6 x 10-6

(c) 1.5 x 10-9 

(d) 12 x 10-8

1 Answer

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Best answer

Correct option  (c) 1.5 x 10-9 

Explanation:

Pyridinium hydrochloride is a salt of weak base and strong acid.

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