In the reaction $KMnO_4 + H_2SO_4 + H_2C_2O_4$,the $Mn^{2+}$ ions act as:

  • A
    Positive catalyst
  • B
    Negative catalyst
  • C
    Autocatalyst
  • D
    Enzymatic catalyst

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Similar Questions

Which of the following statements is true for a catalyst?

Formation of ammonia from $H_2$ and $N_2$ by Haber's process using $Fe$ is an example of

Which of the following statements is incorrect regarding a catalyst?

Match the following:
List-$I$ (Reaction)List-$II$ (Catalyst)
$A$. Hydrogenation of vegetable oils$I$. $Ni$
$B$. Decomposition of potassium chlorate$II$. $MnO_2$
$C$. Oxidation of $SO_2$ in lead chamber process$III$. $Pt$
$D$. Oxidation of ammonia in Ostwald's process$IV$. $NO_{(g)}$
The correct answer is

Which one of the following statements is not correct?

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