1
MHT CET 2023 10th May Morning Shift
MCQ (Single Correct Answer)
+1
-0

What is the value of $$x$$ in order to balance following redox reaction?

$$\mathrm{Mn}_{(\mathrm{aq})}^{2+}+x \mathrm{ClO}_{3(\mathrm{aq})}^{-} \rightarrow \mathrm{MnO}_{2(\mathrm{~s})}+x \mathrm{ClO}_{2(\mathrm{aq})}$$

A
$$x=1$$
B
$$x=2$$
C
$$x=3$$
D
$$x=4$$
2
MHT CET 2023 9th May Morning Shift
MCQ (Single Correct Answer)
+1
-0

What is the oxidation state of carbon in $$\mathrm{CaC}_2$$ and $$\mathrm{K}_2 \mathrm{C}_2 \mathrm{O}_4$$ respectively?

A
$$-2$$ and $$+6$$
B
$$-1$$ and $$+3$$
C
$$+2$$ and $$+2$$
D
$$-2$$ and $$+3$$
3
MHT CET 2022 11th August Evening Shift
MCQ (Single Correct Answer)
+1
-0

Which one of the following conversions does NOT involve either oxidation or reduction?

A
$$\mathrm{Na} \rightarrow \mathrm{Na}^{+}$$
B
$$\mathrm{VO}_2^{+} \rightarrow \mathrm{V}_2 \mathrm{O}_3$$
C
$$\mathrm{Zn}^{2+} \rightarrow \mathrm{Zn}$$
D
$$\mathrm{CrO}_4^{2-} \rightarrow \mathrm{Cr}_2 \mathrm{O}_7^{2-}$$
4
MHT CET 2021 24th September Evening Shift
MCQ (Single Correct Answer)
+1
-0

Which among the following reactions exhibits the reducing property of ozone?

A
$$\mathrm{PbS}_{(\mathrm{s})}+4 \mathrm{O}_{3(\mathrm{~g})} \rightarrow \mathrm{PbSO}_{4(\mathrm{~s})}+4 \mathrm{O}_{2(\mathrm{~g})}$$
B
$$\mathrm{BaO}_{2 \text { (g) }}+\mathrm{O}_{3(\mathrm{~g})} \rightarrow \mathrm{BaO}_{(\mathrm{s})}+2 \mathrm{O}_{2 \text { (g) }}$$
C
$$\mathrm{NO}_{(\mathrm{g})}+\mathrm{O}_{3(\mathrm{~g})} \rightarrow \mathrm{NO}_{2(\mathrm{~g})}+\mathrm{O}_{2(\mathrm{~g})}$$
D
$$2 \mathrm{KI}_{(\mathrm{qq})}+\mathrm{H}_2 \mathrm{O}_{(\mathrm{l})}+\mathrm{O}_{3(\mathrm{~g})} \rightarrow 2 \mathrm{KOH}_{(\mathrm{aq})}+\mathrm{I}_{2(\mathrm{~g})}+\mathrm{O}_2(\mathrm{~g})$$
MHT CET Subjects
EXAM MAP