Asseration : The ionisation of hydrogen ...

Asseration : The ionisation of hydrogen sulphide in water is low in the presence of hydrochloric acid.
Reason : Hydrogen sulphide is a weak acid.

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

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

A is true but R is false.

Both A and R are false.

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The correct Answer is:

Correct explanation. HCl gives the common `H^(+)` ions and hence ionization equilibrium `H_(2)S hArr 2 H^(+) + S^(2-)` is suppressed.

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