The autocatalyst in the redox reaction involving acidified potassium permanganate and oxalic acid is
- A$Mn^{2+}$
- B$SO_4^{2-}$
- C$CO_2$
- D$H_2 O$
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Similar Questions
Match each of the reactions given in Column $I$ with the corresponding product$(s)$ given in Column $II$.
Column $I$ Column $II$ $(A)$ $Cu + \text{dil } HNO_3$ $(p)$ $NO$ $(B)$ $Cu + \text{conc } HNO_3$ $(q)$ $NO_2$ $(C)$ $Zn + \text{dil } HNO_3$ $(r)$ $N_2O$ $(D)$ $Zn + \text{conc } HNO_3$ $(s)$ $Cu(NO_3)_2$ $(t)$ $Zn(NO_3)_2$
| Column $I$ | Column $II$ |
| $(A)$ $Cu + \text{dil } HNO_3$ | $(p)$ $NO$ |
| $(B)$ $Cu + \text{conc } HNO_3$ | $(q)$ $NO_2$ |
| $(C)$ $Zn + \text{dil } HNO_3$ | $(r)$ $N_2O$ |
| $(D)$ $Zn + \text{conc } HNO_3$ | $(s)$ $Cu(NO_3)_2$ |
| $(t)$ $Zn(NO_3)_2$ |
What is the oxidation state of chromium in the final product when $KI$ reacts with acidified potassium dichromate solution?
Which of the following decolourises the colour of acidic $KMnO_4$?
Difficult
View SolutionWhen $KMnO_4$ solution is titrated with a solution containing $Fe^{2+}$ ions,the indicator used in this titration is
MediumAIIMS 1996
View SolutionWhich of the following is a true statement?
Medium
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