1
AP EAPCET 2024 - 20th May Morning Shift
MCQ (Single Correct Answer)
+1
-0

Given below are two statements.

Statement I : In the decomposition of potassium chlorate Cl is reduced.

Statement II : Reaction of Na with $\mathrm{O}_2$ to form $\mathrm{Na}_2 \mathrm{O}$ is a redox reaction.

The correct answer is

A
Both statements I and II are correct.
B
Both statements I and II are not correct.
C
Statement I is correct but statement II is not correct.
D
Statement I is not correct but statement II is correct.
2
AP EAPCET 2024 - 19th May Evening Shift
MCQ (Single Correct Answer)
+1
-0
In neutral medium potassium permanganate oxidises $I^{-}$to $X$.. Identify the $X$.
A
lodine
B
lodate
C
Per iodate
D
Hypo iodite
3
AP EAPCET 2022 - 5th July Morning Shift
MCQ (Single Correct Answer)
+1
-0

What are the oxidation numbers of S atoms in $$\mathrm{S}_4 \mathrm{O}_6^{2-}$$ ?

A
$$6,-1,-1,6$$
B
$$5,0,0,5$$
C
$$2.5,2.5,2.5,2.5$$
D
$$7,-2,-2,7$$
4
AP EAPCET 2022 - 4th July Evening Shift
MCQ (Single Correct Answer)
+1
-0

How many grams of Mg is required to completely reduce $$100 \mathrm{~mL}, 0.1 \mathrm{~M} \mathrm{~NO}_3^{-}$$ solution using the following reaction?

$$\mathrm{NO}_3^{-}+\mathrm{Mg} \longrightarrow \mathrm{Mg}^{2+}+\mathrm{NH}_3$$

A
0.96
B
0.62
C
0.24
D
0.75
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