Published by:
CGP EDU Academic Team
Published on: August 13, 2026
Assertion: The noble gases are least reactive
Reason: All of them have completely filled 
electronic configuration in their valence shell.
Text Solution
Verified by ExpertsThe correct answer is:
A
The noble gases except helium 
have completely filled 
electronic configuration in their valence shell. Hence, noble gases are generally consider as less reactive.
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