Pure water is bad conductor of electricity because it is
(A) feebly ionized
(B) not volatile
(C) a very good solvent
(D) a non-polar solvent
Correct Answer : feebly ionized
Question Asked : FCI Assistant Grade-III Exam 2012
Explanation : Pure water is a covalent compound. It exists as simple discrete molecules and has a simple molecular structure. Hence, it does not exist as ions. Therefore, pure water cannot conduct electricity due to the absence of mobile ions and electrons. However, water can conduct electricity in presence of some dissolved substance. Water then dissociate into hydrogen ions and hydroxide ions. The presence of these mobile ions enables it to conduct electricity.
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Tags : Physics