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Previous year question hub

Redox Reactions - Physical Chemistry - Chemistry Previous Year Questions

Practice Redox Reactions - Physical Chemistry - Chemistry previous year questions organised from real papers, with year-wise coverage and clear topic navigation.

9Papers
3Years
9Questions
1Topics

Redox Reactions question pattern

Every graph below is calculated only from this selection.

Questions by year

Year-wise coverage for Redox Reactions. Each bar uses a separate theme-derived color.

Difficulty distribution

How the classified questions are distributed by difficulty.

Not classified 9 100%

Question type distribution

MCQ, numerical, multiple-select and other formats found in these papers.

Multiple Choices 9 100%

Subject weightage

Top subjects by unique question coverage.

Chemistry
9 Qs

Most asked topics

Top topics across the included previous year papers.

Physical Chemistry
9 Qs

Subtopic coverage

Top subtopics inside this exact selection.

Redox Reactions
9 Qs

Paper coverage

Question coverage for the most populated papers. Every active PYP paper remains listed below.

TS EAMCET 2023 (Online) 12th May Morning Shift
1 Qs
TS EAMCET 2023 ONLINE 12TH MAY EVENING SHIFT
1 Qs
TS EAMCET 2023 ONLINE 13TH MAY EVENING SHIFT
1 Qs
TS EAMCET 2023 ONLINE 13TH MAY MORNING SHIFT
1 Qs
TS EAMCET 2022 (Online) 19th July Evening Shift
1 Qs
TS EAMCET 2022 (Online) 20th July Evening Shift
1 Qs
TS EAMCET 2022 ONLINE 18TH JULY MORNING SHIFT
1 Qs
TS EAMCET 2020 (Online) 10th September Evening Shift
1 Qs
TS EAMCET 2020 (Online) 10th September Morning Shift
1 Qs

Included previous year papers

Newest papers appear first. Sort by year, question coverage or name.

PaperYear / sessionQuestions in this viewOpen
TS EAMCET 2023 (Online) 12th May Morning Shift20231View paper
TS EAMCET 2023 ONLINE 12TH MAY EVENING SHIFT20231View paper
TS EAMCET 2023 ONLINE 13TH MAY EVENING SHIFT20231View paper
TS EAMCET 2023 ONLINE 13TH MAY MORNING SHIFT20231View paper
TS EAMCET 2022 (Online) 19th July Evening Shift20221View paper
TS EAMCET 2022 (Online) 20th July Evening Shift20221View paper
TS EAMCET 2022 ONLINE 18TH JULY MORNING SHIFT20221View paper
TS EAMCET 2020 (Online) 10th September Evening Shift20201View paper
TS EAMCET 2020 (Online) 10th September Morning Shift20201View paper

All Redox Reactions previous year questions

Practice every matching question in batches of 20, with every available option.

1
2022 · Chemistry · Physical Chemistry · Redox Reactions
TS EAMCET 2022 ONLINE 18TH JULY MORNING SHIFT

Identify the pair of reactions undergoing disproportionation from the following.

A

\(\begin{aligned} & 2 \mathrm{H}_2 \mathrm{O}_2 \longrightarrow 2 \mathrm{H}_2 \mathrm{O}+\mathrm{O}_2 \text { and } \\ & \mathrm{Cl}_2+2 \mathrm{NaOH} \longrightarrow \mathrm{NaCl}+\mathrm{NaOCl}+\mathrm{H}_2 \mathrm{O} \end{aligned}\)

B

\(\begin{aligned} & \mathrm{P}_4+3 \mathrm{NaOH}+3 \mathrm{H}_2 \mathrm{O} \longrightarrow \mathrm{PH}_3+3 \mathrm{NaH}_2 \mathrm{PO}_4 \\ & \text { and } \mathrm{Cl}_2+2 \mathrm{Na} \longrightarrow 2 \mathrm{NaCl} \end{aligned}\)

C

\(\begin{aligned} & \mathrm{Cl}_2+2 \mathrm{KBr} \longrightarrow 2 \mathrm{KCl}+\mathrm{Br}_2 \text { and } \\ & 5 \mathrm{Cl}_2+\mathrm{I}_2+6 \mathrm{H}_2 \mathrm{O} \longrightarrow 2 \mathrm{IO}_3^{-}+10 \mathrm{Cl}^{-}+2 \mathrm{H}^{+} \end{aligned}\)

D

\(\begin{aligned} & \mathrm{Pb}_3 \mathrm{O}_4+8 \mathrm{HCl} \longrightarrow 3 \mathrm{PbCl}_2+\mathrm{Cl}_2+\mathrm{H}_2 \mathrm{O} \text { and } \\ & \mathrm{P}_4+3 \mathrm{NaOH} \longrightarrow 3 \mathrm{H}_2 \mathrm{O}+\mathrm{PH}_3+3 \mathrm{NaH}_2 \mathrm{PO}_4 \end{aligned}\)

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2
2023 · Chemistry · Physical Chemistry · Redox Reactions
TS EAMCET 2023 ONLINE 12TH MAY EVENING SHIFT

Which of the following is only a redox reaction but not a disproportionation reaction?

A
$4 \mathrm{H}_3 \mathrm{PO}_3 \longrightarrow 3 \mathrm{H}_3 \mathrm{PO}_4+\mathrm{PH}_3$
B
$2 \mathrm{H}_2 \mathrm{O}_2 \longrightarrow 2 \mathrm{H}_2 \mathrm{O}+\mathrm{O}_2$
C
$\mathrm{P}_4+3 \mathrm{NaOH}+3 \mathrm{H}_2 \mathrm{O} \longrightarrow 3 \mathrm{NaH}_2 \mathrm{PO}_2+\mathrm{PH}_3$
D
$\mathrm{P}_4+8 \mathrm{SOCl}_2 \longrightarrow 4 \mathrm{PCl}_3+2 \mathrm{~S}_2 \mathrm{Cl}_2+4 \mathrm{SO}_2$
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3
2023 · Chemistry · Physical Chemistry · Redox Reactions
TS EAMCET 2023 ONLINE 13TH MAY EVENING SHIFT

Which of the following reaction gives nitrogen (II) oxides as one of the products?

A

$\mathrm{Cu}+$ dil. $\mathrm{HNO}_3 \rightarrow$

B

$\mathrm{Cu}+$ conc. $\mathrm{HNO}_3 \rightarrow$

C

$\mathrm{Zn}+$ conc. $\mathrm{HNO}_3 \rightarrow$

D

$\mathrm{Zn}+$ conc. $\mathrm{HNO}_3 \rightarrow$

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4
2023 · Chemistry · Physical Chemistry · Redox Reactions
TS EAMCET 2023 ONLINE 13TH MAY MORNING SHIFT

Which of the following is the strongest reducing agent?

A

$\mathrm{TeO}_3$

B

$\mathrm{SO}_3$

C

$\mathrm{TeO}_2$

D

$\mathrm{SO}_2$

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5
2020 · Chemistry · Physical Chemistry · Redox Reactions
TS EAMCET 2020 (Online) 10th September Evening Shift

What is the equivalent weight of $\mathrm{KMnO}_4$ in acidic medium? (Molecular weight of $\mathrm{KMnO}_4=158 \mathrm{~g}$ )

A

158 g

B

52.7 g

C

31.6 g

D

39.5 g

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6
2020 · Chemistry · Physical Chemistry · Redox Reactions
TS EAMCET 2020 (Online) 10th September Morning Shift

$\mathrm{KMnO}_4$ oxidises $\mathrm{C}_2 \mathrm{H}_2 \mathrm{O}_4$ to form $\mathrm{CO}_2$. In which of the following, the reaction will be faster?

A

$A q . \mathrm{HCl}$ solution

B

Aq. NaOH solution

C

Aq. NaCl solution

D

Aq. $\mathrm{NaHCO}_3$, solution

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7
2022 · Chemistry · Physical Chemistry · Redox Reactions
TS EAMCET 2022 (Online) 19th July Evening Shift

The number of moles of ferrous oxalate oxidised by one mole of $\mathrm{KMnO}_4$ in acidic medium is

A

$\frac{5}{2}$

B

$\frac{2}{5}$

C

$\frac{3}{5}$

D

$\frac{5}{3}$

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8
2022 · Chemistry · Physical Chemistry · Redox Reactions
TS EAMCET 2022 (Online) 20th July Evening Shift

Which of the following are disproportionation reactions?

(A) $\mathrm{Cl}_2+2 \mathrm{NaOH} \longrightarrow \mathrm{NaCl}+\mathrm{NaOCl}+\mathrm{H}_2 \mathrm{O}$

(B) $\mathrm{H}_2 \mathrm{O}_2 \longrightarrow 2 \mathrm{H}_2 \mathrm{O}+\mathrm{O}_2$

(C) $2 \mathrm{KMnO}_4 \rightarrow \mathrm{~K}_2 \mathrm{MnO}_4+\mathrm{MnO}_2+\mathrm{O}_2$

(D) $3 \mathrm{MnO}_4^{2-}+4 \mathrm{H}^{+} \longrightarrow 2 \mathrm{MnO}_4^{-}+\mathrm{MnO}_2+2 \mathrm{H}_2 \mathrm{O}$

A

A, B, C only

B

A, B, D only

C

A, C only

D

A, B, C, D

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9
2023 · Chemistry · Physical Chemistry · Redox Reactions
TS EAMCET 2023 (Online) 12th May Morning Shift
The equivalent weight of which of the following is maximum? (Given : atomic weights $\mathrm{Na}=23, \mathrm{Mn}=55$, \(\mathrm{Cr}=52, \mathrm{~K}=39, \mathrm{O}=16, \mathrm{C}=12)\)
A
$\mathrm{Na}_2 \mathrm{C}_2 \mathrm{O}_4 \cdot 2 \mathrm{H}_2 \mathrm{O}$
B
$\mathrm{KMnO}_4 / \mathrm{H}^{+}$
C
$\mathrm{KMnO}_4 / \mathrm{H}_2 \mathrm{O}$
D
$\mathrm{K}_2 \mathrm{Cr}_2 \mathrm{O}_7 / \mathrm{H}^{+}$
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