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Which of the following solutions cannot conduct electricity?

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in Chemistry – Class 12 by (188k points)
Which of the following solutions cannot conduct electricity?

(a) Sugar in water

(b) NaCl in water

(c) MgCl2 in water

(d) KCl in water

I got this question during an internship interview.

My question is taken from Conductance of Electrolytic Solutions in division Electrochemistry of Chemistry – Class 12

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Right choice is (a) Sugar in water

Explanation: For a solution to conduct electricity, it requires the solution to have movable ions. A solution of sugar in water does not conduct electricity as the sugar molecules do not dissociate to form ions. Whereas the salts in the other options dissociate to form ions and help conduct electricity.

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