Question
An aqueous solution of which of the following compounds is the best conductor of electric current?
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Acetic acid C2H4O2
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Hydrochloric acid, HCl
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Ammonia, NH3
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Fructose, C6H12O6
Solution
B.
Hydrochloric acid, HCl
HCl is strong acid and dissociates completely. Hence, it conducts electricity best in its aqueous solution.