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1. ⇒  (MHT CET 2023 12th May Morning Shift )

Identify the good conductor of electricity from following band gap energy values of solids.

Solid E gap
A 5.47 eV
B 0.0 eV
C 1.12 eV
D 0.67 eV

A. A

B. B

C. C

D. D

Correct Option is (B)

MHT CET 2023 12th May Morning Shift Chemistry - Solid State Question 1 English Explanation

According to band theory, solids with smaller band gap energies are good conductors of electricity. Therefore, based on the given band gap energy values, the good conductor of electricity would be solid B.