Published by:
CGP EDU Academic Team
Published on: August 13, 2026
compounds are more stable than 
compounds towards oxidation to their +3 state, because
A
is more stable with high 
ionisation energy
B
is bigger in size
C
has completely filled 
-orbitals
D
does not exist.
Text Solution
Verified by ExpertsThe correct answer is:
A
: 
has stable half-filled electronic configuration thus, it has high third ionisation energy while 
on losing one more electron will acquire this stable electronic configuration. Thus, 
is more prone to get oxidised to +3 oxidation state.
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