Published by:
CGP EDU Academic Team
Published on: August 13, 2026
Reactions of nitric acid with copper powder is initially not fast but it becomes rapid after some time because
A
Auto-catalysis takes place due to formations of 
ions.
ions.
B
Partial catalysis takes places due to formations of copper nitrate
C
Negative catalysis takes places due to formations of 
ions
ions
D
Catalyst poisoning takes place after some time in the reactions.
Text Solution
Verified by ExpertsThe correct answer is:
A
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