Which one of the following is correct about stability of the given ions?

1. $\mathrm{Pb}^{2+}>\mathrm{Pb}^{4+}$
2. $\mathrm{Pb}^{4+}>\mathrm{Pb}^{2+}$
3. $\mathrm{Si}^{2+}>\mathrm{Si}^{4+}$
4. $\mathrm{Sn}^{4+}>\mathrm{Sn}^{2+}$

Solution

Asked in: AP EAMCET 2003

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