In which of the following conversions does a blue colour appear?
- A$MnO_4^{-} + SO_2 \rightarrow$
- B$Cr_2O_7^{2-} + KI \rightarrow$
- C$K_2Cr_2O_7 + NaCl + \text{conc. } H_2SO_4 \rightarrow$
- D$CuSO_4 + KI + \text{Starch} \rightarrow$
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Similar Questions
What is the equivalent weight of potassium permanganate $(KMnO_4)$ when it acts as an oxidizing agent in the conversion of ferrous ions to ferric ions in an acidic medium?
Difficult
View SolutionWhich of the following is not the correct match for equivalent weight :-
Medium
View Solution$Zn_{(s)} + CuSO_{4(aq)} \rightarrow ZnSO_{4(aq)} + Cu_{(s)}$ is an example of which type of process?
Easy
View SolutionAssign $A$,$B$,$C$,$D$ from the given type of reaction.
$MnS(s) + 2HCl(aq) \longrightarrow MnCl_2(aq) + H_2S(g)$
$MnS(s) + 2HCl(aq) \longrightarrow MnCl_2(aq) + H_2S(g)$
Medium
View Solution$KMnO_4$ reacts with ferrous ammonium sulphate according to the equation
$MnO_4^- + 5Fe^{2+} + 8H^+ \to Mn^{2+} + 5Fe^{3+} + 4H_2O$
Here $10 \ mL$ of $0.1 \ M$ $KMnO_4$ is equivalent to:
$MnO_4^- + 5Fe^{2+} + 8H^+ \to Mn^{2+} + 5Fe^{3+} + 4H_2O$
Here $10 \ mL$ of $0.1 \ M$ $KMnO_4$ is equivalent to:
Easy
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