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Chemistry Solid State General Single Correct MCQ
Published on: August 12, 2026

When NiO is doped with a small quantity of Li 2 O

A
both cation and anion vacancies are generated
B
Shottky defects are generated
C
NiO becomes an n-type semiconductor
D
NiO becomes a p-type semiconductor

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Verified by Experts
The correct answer is:
D

When NiO is doped with a small quantity of Li 2 O, a Ni 2+ can be expected to be replaced by 2Li + . A decrease in unpaired electrons would make NiO a p-type semiconductor.

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