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Which of the following are responsible for high electrical and thermal conductivity of a metal?(a) Ions(b) Covalent bonds(c) Free H+ ions(d) Free and mobile electronsThe question was posed to me at a job interview.The question is from Classification of Crystalline Solids topic in portion Solid State of Chemistry – Class 12

Answer»

The correct ANSWER is (d) Free and mobile ELECTRONS

Explanation: Each ATOM of a metal gives one or more electrons TOWARDS the sea of mobile electrons it is surrounded by which ultimately contributes to the electrical and thermal conductivity of the metal.



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