JEE MAIN - Chemistry (2024 - 6th April Evening Shift - No. 1)
The number of ions from the following that are expected to behave as oxidising agent is :
$$\mathrm{Sn}^{4+}, \mathrm{Sn}^{2+}, \mathrm{Pb}^{2+}, \mathrm{Tl}^{3+}, \mathrm{Pb}^{4+}, \mathrm{Tl}^{+}$$
3
4
2
1
Explanation
Due to inert pair effect $$\mathrm{Pb}^{2+}$$ is more stable than $$\mathrm{Pb}^{4+}$$ and $$\mathrm{Tl}^{+}$$ is more stable than $$\mathrm{Tl}^{3+}$$. Therefore, $$\mathrm{Pb}^{4+}$$ and $$\mathrm{T}^{3+}$$ will function as oxidising agents and easily get reduced to $$\mathrm{Pb}^{2+}$$ and $$\mathrm{TI}^{+}$$ respectively.
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