Chemistry Chemical Bonding and Molecular Structure JEE Advanced Previous Years Question Single Correct MCQ
Published on: August 13, 2026

In the following reactions, ZnO is respectively acting as a/an:

A
ZnO + Na 2 O ⎯→ Na 2 ZnO 2 base and base
B
ZnO + CO 2 ⎯→ ZnCO 3 acid and acid
D
acid and base base and acid

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The correct answer is:
C

ZnO + Na 2 O ⎯→ Na 2 ZnO 2

Acidic oxide Basic oxide

ZnO + CO 2 ⎯→ ZnCO 3

Basic oxide Acidic oxide

So ZnO behave like acid in equation and base in equation

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