Assertion (A): The ionisation of hydrogen

Question:

Assertion (A): The ionisation of hydrogen sulphide in water is low in the

presence of hydrochloric acid.

Reason (R): Hydrogen sulphide is a weak acid.

(i) Both A and R are true and R is the correct explanation of A.

(ii) Both A and R are true but R is not the correct explanation of A.

(iii) A is true but R is false

(iv) Both A and R are false

Solution:

Option (ii) is the answer.

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