Which of the following is(are) true when HCl (g) is passed through water?
(i) It does not ionise in the solution as it is a covalent compound.
(ii) It ionises in the solution
(iii) It gives both hydrogen and hydroxyl ion in the solution
(iv) It forms hydronium ion in the solution due to the combination of hydrogen ion with water molecule
(A) (i) only
(B) (iii) only
(C) (ii) and (iv)
(D) (iii) and (iv)
Answer
Although HCl is a covalent compound, it is an electrolyte and ionizes in aqueous solution to give hydronium and chloride ion as follows:
So, the correct option is (c) - (ii) and (iv)
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