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  • Which pair of metal oxide is amphoteric?Option: 1 <img alt="\begin{aligned} & \mathrm{ZnO}, \mathrm{CrO}_3 \\ \end{aligned}" src="/latex-image/?%

Which pair of metal oxide is amphoteric?

Option: 1

\begin{aligned} & \mathrm{ZnO}, \mathrm{CrO}_3 \\ \end{aligned}


Option: 2

\begin{aligned} & \mathrm{~V}_2 \mathrm{O}_5, \mathrm{CrO}_3 \\ \end{aligned}


Option: 3

\begin{aligned} & \mathrm{Mn}_2 \mathrm{O}_7, \mathrm{CrO}_3 \\ \end{aligned}


Option: 4

\begin{aligned} & \mathrm{~V}_2 \mathrm{O}_5, \mathrm{ZnO} \end{aligned}


Answers (1)

best_answer

\text{ZnO} is amphoteric as it reacts both with acid and bases and \text{CrO}_{3} is amphoteric as it has an intermediate oxidation state having partially filled d-orbital. So. It can gain as well as loose electrons.

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chirag

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