Published by:
CGP EDU Academic Team
Published on: August 12, 2026
Most probable oxidation state of Pb and Sn will be
A
B
C
D
Text Solution
Verified by ExpertsThe correct answer is:
D
The sign and magnitude of Gibbs free energy is a criterion of spontaneity for a process. When 
or 
, it means 
a 
the reaction will not take place spontaneously i.e. the reaction should be spontaneous in reverse direction.
(more favourable)
or 
, the reaction or change occurs spontaneously.
(more favourable)
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