In acidic solution, $MnO_4^{2-}$ converts into . . . . . . .

  • A
    $MnO_4^-$ and $MnO_2$
  • B
    $MnO_4^-$ and $MnO$
  • C
    $MnO$ and $Mn_2O_3$
  • D
    $MnO_2$ and $Mn_2O_3$

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The disproportionation products of $ortho-phosphorous$ acid are

Assign $A, B, C, D$ from the given type of reaction.
$2Se_2Cl_2 \xrightarrow{\Delta} SeCl_4 + 3Se$

Refer to the periodic table and answer the following questions:
$(a)$ Select the possible non-metals that can show disproportionation reaction.
$(b)$ Select three metals that can show disproportionation reaction.

The reaction of $ClO_2$ with $NaOH$ gives a mixture of ..........

Statement-$1$ : $I_2 \rightarrow IO_3^- + I^-$; This is a disproportionation reaction.
Statement-$2$ : Oxidation number of $I$ can vary from $-1$ to $+7$.

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