- 1(current)
Q. No.In view of the signs of for the following reactions:
The oxidation states more characteristic for lead and tin are respectively:
1. For lead +2, for tin +2
2. For lead +4, for tin +4
3. For lead +2, for tin +4
4. For lead +4, for tin +2
Subtopic: Properties of Glass, Pb & Sn compounds |
80%
Level 1: 80%+
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Consider the following changes:
\(\begin{array}{cc} \mathrm{SnO}_2 \rightarrow \mathrm{SnO} & \Delta \mathrm{G}_1^0 \\ \mathrm{PbO}_2 \rightarrow \mathrm{PbO} & \Delta \mathrm{G}_2^0 \end{array}\)
Choose the correct option:
1. \( \Delta \mathrm{G}_1^0>0, \Delta \mathrm{G}_2^0>0\)
2. \( \Delta \mathrm{G}_1^0>0, \Delta \mathrm{G}_2^0<0 \)
3. \( \Delta \mathrm{G}_1^0<0, \Delta \mathrm{G}_2^0<0 \)
4. \( \Delta \mathrm{G}_1^0<0, \Delta \mathrm{G}_2^0>0 \)
\(\begin{array}{cc} \mathrm{SnO}_2 \rightarrow \mathrm{SnO} & \Delta \mathrm{G}_1^0 \\ \mathrm{PbO}_2 \rightarrow \mathrm{PbO} & \Delta \mathrm{G}_2^0 \end{array}\)
Choose the correct option:
1. \( \Delta \mathrm{G}_1^0>0, \Delta \mathrm{G}_2^0>0\)
2. \( \Delta \mathrm{G}_1^0>0, \Delta \mathrm{G}_2^0<0 \)
3. \( \Delta \mathrm{G}_1^0<0, \Delta \mathrm{G}_2^0<0 \)
4. \( \Delta \mathrm{G}_1^0<0, \Delta \mathrm{G}_2^0>0 \)
Subtopic: Carbon Family - Preparations, Properties & Uses | Properties of Glass, Pb & Sn compounds |
80%
Level 1: 80%+
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Q. No.
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