Gaseous HCl is a poor conductor of electricity while its aqueous solution is a good conductor this is because
(a) H2O is a good conductor of electricity
(b) a gas cannot conduct electricity but a liquid can
(c) HCl gas does not obey Ohm’s law, whereas the solution does
(d) HCl ionises in aqueous solution

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1 Answers

(d) In gaseous state the HCl is covalent in nature while in aqueous solution it ionises to give H+ and Cl- ions

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