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.

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

1.	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.
Answer» Both A and Rare trueand R is the correct explanation of A. Both A and Rare truebutR is notthe correct explanation of A. A is true but R is false. Both A and R are false. Solution :Correct explanation. HCl gives the common `H^(+)` IONS and hence IONIZATION EQUILIBRIUM `H_(2)S HARR 2 H^(+) + S^(2-)` is suppressed.