1
AP EAPCET 2024 - 22th May Evening Shift
MCQ (Single Correct Answer)
+1
-0
Which of the following reactions of $\mathrm{KMnO}_4$ occurs in acidic medium ?
A
Oxidation of thiosulphate to sulphate
B
Precipitation of sulphur from $\mathrm{H}_2 \mathrm{~S}$
C
Oxidation of iodide to iodate
D
Oxidation of manganous salt to $\mathrm{MnO}_2$
2
AP EAPCET 2024 - 21th May Evening Shift
MCQ (Single Correct Answer)
+1
-0
Which of the following occurs with $\mathrm{KMnO}_4$ in neutral medium?
A
Oxidation of oxalate ion
B
Precipitation of sulphur from hydrogen sulphide
C
Oxidation of $\mathrm{Fe}^{2+}$ to $\mathrm{Fe}^{3+}$
D
Oxidation of iodide to iodate
3
AP EAPCET 2024 - 21th May Morning Shift
MCQ (Single Correct Answer)
+1
-0
In the reaction of sulphur with concentrated sulphuric acid, the oxidised product is $X$ and reduced product is $Y, X$ and $Y$ are respectively.
A
$\mathrm{SO}_3, \mathrm{SO}_2$
B
$\mathrm{SO}_2, \mathrm{SO}_2$
C
$\mathrm{SO}_2, \mathrm{H}_2 \mathrm{~S}$
D
$\mathrm{SO}_2, \mathrm{H}_2 \mathrm{O}$
4
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.
AP EAPCET Subjects
EXAM MAP