Q.

Statement I : The ionization of hydrogen sulphide (H2S) in water is low in the presence of hydrochloric acid.

Statement II : Hydrogen sulphide is a weak acid.

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a

Statement I  is correct and Statement II is incorrect

b

Both statement - I  and statement - II are False

c

Statement I and II are correct

d

Statement - I is incorrect and Statement II is correct

answer is B.

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Detailed Solution

HCl is a strong acid while H2S is a weak dibasic acid.

The ionisaiton of the weak acid H2S will be low in presence of HCl due to common-ion effect.

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