Question
Chemistry Question on Electrochemistry
On heating one end of a piece of a metal, the other end becomes hot because of
A
energised electrons moving to the other end
B
minor perturbation in the energy of atoms
C
resistance of the metal
D
mobility of atoms in the metal
Answer
energised electrons moving to the other end
Explanation
Solution
Conductivity of heat in metals is due to the presence of free electrons, which move due to increase in temperature.