Assign $A$,$B$,$C$,$D$ from the given type of reaction.
$MnO_2 + 2NaCl + 2H_2SO_4 \longrightarrow MnSO_4 + Na_2SO_4 + 2H_2O + Cl_2 \uparrow$

  • A
    for disproportionation reaction.
  • B
    for comproportionation reaction.
  • C
    for either intermolecular redox reaction or displacement reaction.
  • D
    for either thermal combination redox reaction or thermal decomposition redox reaction.

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The number of moles of $KMnO_4$ that will be needed to react completely with one mole of ferrous oxalate $FeC_2O_4$ in acidic solution is

From the given reaction:
$2 KMnO_4 + 3 H_2 SO_4 + 5 H_2 O_2 \longrightarrow K_2 SO_4 + 2 MnSO_4 + 8 H_2 O + 5 O_2$
Find the normality of $H_2 O_2$ solution,if $20 \ mL$ of it is required to react completely with $16 \ mL$ of $0.02 \ M \ KMnO_4$ solution.
$(Molar \ mass \ of \ KMnO_4 = 158 \ g \ mol^{-1})$

When $KMnO_4$ acts as an oxidizing agent and ultimately forms $MnO_4^{2-}$,$MnO_2$,$Mn_2O_3$,and $Mn^{2+}$,what will be the number of electrons transferred in each case,respectively?

Explain the balancing of a redox reaction by the half-reaction method with a suitable example.

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