MHT CET Chemistry question

Which of the following statement is INCORRECT with respect to metallic or electronic conductivity? [GUJ CET 2014]

(A)Metallic conductivity depends on the structure of metal and its characteristics
(B)Metallic conductivity depends on the number of electrons in the valence shell of atom of metal
(C)The electrical conductivity of metal increases with increase with increase in temperatureCorrect
(D)There is no change in the structure of metal during electrical conduction

Answer: (C)

Solution

Statements (a), (b) and (d) are true, but metallic conductivity decreases with rise in temperature because

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Question ID VK-066833