In view of the sign of ∆fG0 for the following reactions :PbO2+Pb→ 2PbO;∆fG0<0SnO2+Sn→ 2SnO;∆fG0<0which oxidation states are more characteristic for lead and tin?
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a
For lead +2, for tin +4
b
For lead +4, for tin +2
c
For lead +2, for tin +2
d
For lead +4, for tin +4
answer is A.
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Detailed Solution
ΔfG0 for PbO is negative-A favourable condition.ΔfG0 for SnO is positive-A favourable condition for back reaction.