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  • 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.

In the following question, a statement of Assertion (A) followed by a statement of Reason (R) is given. Choose the correct option out of the choices given below each 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.

Answers (1)

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

Explanation: There is a shift in the backward direction of the equilibrium.

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