Which one of the following is an amphoteric oxide?

  • A
    $V_2O_3$
  • B
    $CrO$
  • C
    $Cr_2O_3$
  • D
    $CrO_3$

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Similar Questions

$K_2Cr_2O_7 + H_2O_2 \xrightarrow{H^{+}} $

Which of the following ions is green in colour?

When borax is heated with cobalt oxide,which of the following compounds produces a blue-colored bead?

When $MnO_2$ is fused with $KOH$,a coloured compound is formed. The product and its colour are:

Assertion: $KMnO_4$ is purple in colour due to charge transfer.
Reason: There is no electron present in $d$-orbitals of Manganese in $MnO_4^-$.

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