Published by:
CGP EDU Academic Team
Published on: August 13, 2026
It is because of inability of 
electrons of the valence shell to participate in bonding that
A
is oxidising while 
is reducing B
and 
are both oxidising and reducing C
is reducing while 
is oxidising D
is reducing while 
is oxidising
Text Solution
Verified by ExpertsThe correct answer is:
D
Due to inert pair effect, Pb (II) is more stable than 
and Sn (IV) is more stable than Sn (II). So, 
is easily reduced to 
and acts as an oxidising agent whereas 
is easily oxidised to 
and act as reducing agent.
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