Redox Reactions Test

Result

Redox Reactions Test - 10

Score
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out of -
Rank
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TIME Taken - -

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Weekly Quiz Competition

Question 1
4 / -1

Which of the following is not a redox reaction?

A

B

C

D

Solution
Question 2
4 / -1

In which of the following pairs, there is greatest difference in the oxidation number of the underlined elements?

A

B

C

D

Solution
Question 3
4 / -1

Which substance serves as reducing agent in the following reaction?

A
H₂O

B
Ni

C
H⁺

D
Question 4
4 / -1

Phosphorus has the oxidation state of +3 in

A
Phosphorous acid

B
Orthophosphoric acid

C
Hypophosphorous acid

D
Metaphosphoric acid
Question 5
4 / -1

In which of the compounds does manganese exhibit highest oxidation number?

A
MnO₂

B
Mn₃O₄

C
K₂MnO₄

D
MnSO₄

Solution
Question 6
4 / -1

Which of the following reactions depicts the oxidising property of SO₂?

A

B

C

D

Solution
Question 7
4 / -1

A
its molecular weight

B
Atomic weight

C
half-its molecular weight

D
One-third its molecular weight

Solution
Question 8
4 / -1

In which of the following reactions, there is no change in valency ?

A

B

C

D

Solution
Question 9
4 / -1

Nitric oxide acts as a reducing agent in the reaction

A

B

C

D

Solution
Question 10
4 / -1

In which of the following compounds, nitrogen has an oxidation state of -1 ?

A

B

C

D

Solution