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which of the following solids is not...

which of the following solids is not an electrical conductor ?
(a) Mg(s) (b) TiO(s) ( c) `I_(2)(s)` (d) `H_(2)O(s)`

A

I only

B

II only

C

III and IV

D

II, III and IV

Text Solution

Verified by Experts

Mg is a metal, so electrical conductor due to presence of freely moving `e^(-)`.
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