It is noticed that Pb²⁺ is more stable than Pb⁴⁺ but Sn²⁺ is less stable than Sn⁴⁺. Observe the following reac…

Question

It is noticed that $$Pb^{2+}$$ is more stable than $$Pb^{4+}$$ but $$Sn^{2+}$$ is less stable than $$Sn^{4+}$$. Observe the following reactions.
$$ PbO_2 + Pb 	o 2PbO ; \Delta_rG^\circ(1) $$
$$ SnO_2 + Sn 	o 2SnO ; \Delta_rG^\circ(2) $$
Identify the correct set from the following

Accepted Answer

B. $$\Delta_rG^\circ(1) < 0 ; \Delta_rG^\circ(2) > 0$$

Answer

A. $$\Delta_rG^\circ(1) > 0 ; \Delta_rG^\circ(2) < 0$$

Answer

C. $$\Delta_rG^\circ(1) > 0 ; \Delta_rG^\circ(2) > 0$$

Answer

D. $$\Delta_rG^\circ(1) < 0 ; \Delta_rG^\circ(2) < 0$$

Answer & step-by-step solution

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