NEET UG CHEMISTRY MCQ: 14 TH GROUP ELEMENTS (P-BLOCK)

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Analyzing +4 | -1

In view of the signs of

\Delta_r G^{\circ}

for the following reactions:

\begin{array}{ll} \mathrm{PbO}_2+\mathrm{Pb} \rightarrow 2 \mathrm{PbO}, & \Delta_r G^{\circ} < 0 \\ \mathrm{SnO}_2+\mathrm{Sn} \rightarrow 2 \mathrm{SnO}, & \Delta_r G^{\circ} > 0 \end{array}

Which oxidation states are more characteristics for lead and tin?

View answer and explanation

Correct option: C

For lead +2 , for tin +4

Option C (For lead +2 , for tin +4) is correct because lead prefers the +2 oxidation state due to the inert pair effect, while tin prefers +4.

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