p -Block elements - ll — Chemistry STD 12 Science — Question
CBSE BoardEnglish MediumSTD 12 ScienceChemistryp -Block elements - ll1 Mark
MCQ
Least chemical activity is shown by
A
Nitrogen
✓
Argon
C
Methane
D
Ammonia
✓
Answer
Correct option: B.
Argon
b Among the given options, argon is a noble gas. Noble gases are the least reactive because they are the most stable. Their outer orbitals are fully filled and so they have a stable electronic configuration.
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