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1
MHT CET 2026 16th April Evening Shift
MCQ (Single Correct Answer)
+1
-0
Which of the following phenomena represents oxidation?
A
Removal of oxygen
B
Addition of electronegative element
C
Addition of electropositive element
D
Gain of electron
2
MHT CET 2026 16th April Morning Shift
MCQ (Single Correct Answer)
+1
-0
What is the oxidation number of oxygen in $\text{KO}_2$ ?
A
$-2$
B
$-1/2$
C
$-1$
D
$+2$
3
MHT CET 2026 15th April Evening Shift
MCQ (Single Correct Answer)
+1
-0
For the following redox reaction, find the correct statement.
$\text{Sn}^{2+} + 2\text{Fe}^{3+} \rightarrow \text{Sn}^{4+} + 2\text{Fe}^{2+}$
A
$\text{Sn}^{2+}$ is undergoing oxidation.
B
$\text{Fe}^{3+}$ is undergoing oxidation.
C
It is not a redox reaction.
D
Both $\text{Sn}^{2+}$ and $\text{Fe}^{3+}$ are oxidized.
4
MHT CET 2026 13th April Evening Shift
MCQ (Single Correct Answer)
+1
-0
What is oxidation state of oxygen in $\text{OF}_2$ and in $\text{KO}_2$ respectively?
A
$+2$ and $+1$
B
$+2$ and $-1/2$
C
$+1$ and $-1/2$
D
$-2$ and $-1$
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