Choose the correct statements from the following
A. $\mathrm{Mn}_2 \mathrm{O}_7$ is an oil at room temperature
B. $\mathrm{V}_2 \mathrm{O}_4$ reacts with acid to give $\mathrm{VO}_2{ }^{2+}$
C. $\mathrm{CrO}$ is a basic oxide
D. $\mathrm{V}_2 \mathrm{O}_5$ does not react with acid
Choose the correct answer from the options given below :
Solution
<p>(A) $\mathrm{Mn}_2 \mathrm{O}_7$ is green oil at room temperature.</p>
<p>(B) $\mathrm{V}_2 \mathrm{O}_4$ dissolve in acids to give $\mathrm{VO}^{2+}$ salts.</p>
<p>(C) $\mathrm{CrO}$ is basic oxide</p>
<p>(D) $\mathrm{V}_2 \mathrm{O}_5$ is amphoteric it reacts with acid as well as base.</p>
About this question
Subject: Chemistry · Chapter: d and f Block Elements · Topic: Properties of Transition Metals
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