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1
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
$+2$
2
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.
3
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 $-1$
4
MHT CET 2026 13th April Morning Shift
MCQ (Single Correct Answer)
+1
-0
Which of the following is NOT a redox reaction?
A
$\text{Zn} + \text{H}_2\text{SO}_4 \rightarrow \text{ZnSO}_4 + \text{H}_2$
B
$\text{Al(OH)}_3 + 3\text{HCl} \rightarrow \text{AlCl}_3 + 3\text{H}_2\text{O}$
C
$\text{Mg} + 1/2 \text{O}_2 \rightarrow \text{Mg}^{2+} + \text{O}^{2-}$
D
$\text{Fe}_{(s)} + \text{Cu}^{2+}_{(aq)} \rightarrow \text{Fe}^{2+}_{(aq)} + \text{Cu}_{(s)}$
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