Redox Reactions PYQs - Last 5 Years
KCET / Chemistry / Physical Chemistry / 10 recent questions
ChemistryPhysical Chemistry2022-2026
Practice 10 KCET 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
2022-2026
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2022-2026
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2017-2026
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Last 5 Years Redox Reactions Questions
Showing 10 of 10 filtered questions.
1Redox Reactions
Given below are two statements.Statement-I: In $\text{H}_2\text{O}_2$, each oxygen atom is assigned an oxidation number of $-1$, in $\text{RbO}_2$ each oxygen atom is assigned an oxidation number of $-\dfrac{1}{2}$.Statement-II: Representat...
MCQ+1 / -02026
2Redox Reactions
$a\text{C}_2\text{O}_4^{2-} + b\text{MnO}_4^- + c\text{H}^+ \rightarrow x\text{Mn}^{2+} + y\text{H}_2\text{O} + z\text{CO}_2$$a$ and $x$ respectively are
MCQ+1 / -02026
3Redox Reactions
In the titration of potassium permanganate $\left(\mathrm{KMnO}_4\right)$ against Ferrous ammonium sulphate $(\mathrm{FAS})$ solution, dilute sulphuric acid but not nitric acid is used to maintain acidic medium, because
MCQ+1 / -02025
4Redox Reactions
In the reaction between hydrogen sulphide and acidified permanganate solution,
MCQ+1 / -02025
5Redox Reactions
\(\text { Match List-I with List-II }\)
List-I (Types of redox reactions)
List-II (Examples)
a. Combination reaction
i.
Cl
2
(
g
)
...
List-I (Types of redox reactions)
List-II (Examples)
a. Combination reaction
i.
Cl
2
(
g
)
...
MCQ+1 / -02025
6Redox Reactions
In the reaction between moist $\mathrm{SO}_2$ and acidified permanganate solution.
MCQ+1 / -02024
7Redox Reactions
\(a \mathrm{MnO}_4^{-}+b \mathrm{~S}_2 \mathrm{O}_3^{2-}+\mathrm{H}_2 \mathrm{O} \longrightarrow x \mathrm{MnO}_2 +y \mathrm{SO}_4^{2-}+z \mathrm{OH}^{-}\)
\(a\) and \(y\) respectively are
\(a\) and \(y\) respectively are
MCQ+1 / -02023
8Redox Reactions
The reducing agent in the given equations
\(4 \mathrm{Ag}(s)+8 \mathrm{CN}^{-}(a q)+2 \mathrm{H}_2 \mathrm{O}(a q)+\mathrm{O}_2(g) \longrightarrow 4\left[\mathrm{Ag}(\mathrm{CN})_2\right]^{-}(a q)+4 \mathrm{OH}^{-}(a q)\)
$$2\left[\mathrm{...
\(4 \mathrm{Ag}(s)+8 \mathrm{CN}^{-}(a q)+2 \mathrm{H}_2 \mathrm{O}(a q)+\mathrm{O}_2(g) \longrightarrow 4\left[\mathrm{Ag}(\mathrm{CN})_2\right]^{-}(a q)+4 \mathrm{OH}^{-}(a q)\)
$$2\left[\mathrm{...
MCQ+1 / -02023
9Redox Reactions
All Cu(II) halides are known, except the iodide, the reason for it is that
MCQ+1 / -02022
10Redox Reactions
In which of the following compounds, an element exhibits two different oxidation states?
MCQ+1 / -02022