Redox Reactions PYQs - Last 5 Years
VITEEE / Chemistry / Physical Chemistry / 8 recent questions
ChemistryPhysical Chemistry2021-2025
Practice 8 VITEEE Chemistry questions from Redox Reactions. Use the year-wise and type-wise breakdown to prioritize recent PYQs, then continue into the question list below.
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Chemistry / Physical Chemistry
2023-2025
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2021-2025
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Last 5 Years Redox Reactions Questions
Showing 8 of 8 filtered questions.
1Redox Reactions
Ozone is quantitatively determined by bubbling it through an excess of acidic potassium iodide solution, which liberates iodine. The liberated iodine is then titrated with sodium thiosulphate solution.
If 25.0 mL of the iodine-containing so...
If 25.0 mL of the iodine-containing so...
MCQ+4 / -12025
2Redox Reactions
How many moles of $\mathrm{KMnO}_4$ are required to oxidise 1 mole of oxalic acid in acidic medium?
MCQ+4 / -12025
3Redox Reactions
In the following redox reaction, what will be the sum of $x, y$, and $z$ ?
$$ \begin{aligned} x \mathrm{Cr}_2 \mathrm{O}_7^{2-}(a q) & +y \mathrm{SO}_3^{2-}(a q)+z \mathrm{H}^{+}(a q) \longrightarrow \mathrm{Cr}^{3+}(a q)+\mathrm{SO}_4^{2-...
$$ \begin{aligned} x \mathrm{Cr}_2 \mathrm{O}_7^{2-}(a q) & +y \mathrm{SO}_3^{2-}(a q)+z \mathrm{H}^{+}(a q) \longrightarrow \mathrm{Cr}^{3+}(a q)+\mathrm{SO}_4^{2-...
MCQ+4 / -12025
4Redox Reactions
Ozone is determined quantitatively by first reacting it with excess of KI at a particular pH and then titrating the $\mathrm{I}_2$ thus, liberated with a suitable titrant. The pH of the reaction and the titrant used in the titration are res...
MCQ+4 / -12024
5Redox Reactions
For the given redox reaction, what will be the sum of $x, y, m$ and $n$ ?
$$\begin{aligned}
x \mathrm{MnO}_4^{-}+y \mathrm{H}_2 \mathrm{C}_2 \mathrm{O}_4+z \mathrm{H}^{+} \longrightarrow m \mathrm{Mn}^{2+}
+ & n \mathrm{CO}_2+p \mathrm{H}...
$$\begin{aligned}
x \mathrm{MnO}_4^{-}+y \mathrm{H}_2 \mathrm{C}_2 \mathrm{O}_4+z \mathrm{H}^{+} \longrightarrow m \mathrm{Mn}^{2+}
+ & n \mathrm{CO}_2+p \mathrm{H}...
MCQ+4 / -12024
6Redox Reactions
How many moles of potassium dichromate oxidises 1 mole of ferrous oxalate in acidic medium?
MCQ+4 / -12024
7Redox Reactions
The standard \(E_{\text {red }}^{\circ}\) values of \(A, B\) and \(C\) are \(+0.52 \mathrm{~V},-23.6 \mathrm{~V},-0.44 \mathrm{~V}\) respectively. The order of their reducing power is
MCQ+4 / -12023
8Redox Reactions
\(\mathrm{MnO}_4^{-}\) is good oxidising agent in different medium changing to \(\mathrm{MnO}_4^{-} \rightarrow \mathrm{Mn}^{2+} \rightarrow \mathrm{MnO}_4^{2-} \rightarrow \mathrm{MnO}_2 \rightarrow \mathrm{Mn}_2 \mathrm{O}_3\)
Change in o...
Change in o...
MCQ+4 / -12023