Q. 34.2( 39 Votes )
Why does an aqueous solution of an acid conduct electricity?
The presence of hydrogen ions (H+) or hydronium ions (H3O+) in an aqueous solution of acid are responsible for conducting electricity. For example; hydrochloric acid (HCl) dissociates in aqueous solution and gives hydrogen ions [H +(aq)] and chloride ions [Cl-(aq)] which carry electric current. So, due to the presence of these ions, an aqueous solution of hydrochloric acid conducts electricity.
H2O(l)+HCl(l) → H3O+(aq) +Cl-(aq)
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(a) What will be the action of solution A on litmus?
(b) What will be action of solution B on litmus?
(c) Name any two substances which can give solutions like A.
(d) Name any two substances which can give solutions like B.
(e) What sort of reaction takes place when solution A reacts with solution B?Lakhmir Singh & Manjit Kaur - Chemistry