Redox Reactions · Chemistry · BITSAT
MCQ (Single Correct Answer)
Balance the following redox reaction in acidic medium and determine the stoichiometric coefficient of $\mathrm{H}_2 \mathrm{O}$ in the final balanced equation.
$$ \mathrm{MnO}_4^{-}(a q)+\mathrm{Fe}^{2+}(a q) \longrightarrow \mathrm{Mn}^{2+}(a q)+\mathrm{Fe}^{3+}(a q) $$
Calculate the volume of $M / 10 \mathrm{KMnO}_4$ needed to react with 20 mL of $M / 2 \mathrm{FeSO}_4$ in acidic medium.
What is the stoichiometric coefficient of $ \mathrm{SO}_{2} $ in the following balance reaction?
$ \mathrm{MnO}_{4}^{-}(a q)+\mathrm{SO}_{2}(\mathrm{~g}) \longrightarrow \mathrm{Mn}^{2+}(a q)^{-}+\mathrm{HSO}_{4}^{-}(a q) $
(in acidic solution)
How many mL of perhydrol is required to produce sufficient oxygen which can be used to completely convert 2 L of SO2 gas?
Choose the correct chemical reaction among the following:
Which of the following reactions represents disproportionation?
Titration of 0.1467 g of primary standard Na2C2O4 required 28.85 mL of KMnO4
solution. Calculate the molar concentration of KMnO4 solution.