Redox Reactions Test

Result

Redox Reactions Test - 7

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 one of the following reaction is possible at anode?

A
F₂ + 2e ^- → 2F ^-

B

C

D
Fe²⁺ → Fe ³⁺ + e ^-

Solution
Question 2
4 / -1

A
1, 3, 4, 5

B
5, 4, 3, 2

C
5, 1, 3, 4

D
2, 6, 4, 3
Question 3
4 / -1

The oxidation number of C in sucrose (C₁₂H₂₂O₁₁) is

A
+ 4

B
+ 3

C
+ 2

D
zero

Solution
Question 4
4 / -1

The oxidation number of C in HCN and HNC respectively are:

A
+ 2, + 2

B
+ 2, + 4

C
+ 4, +4

D
-2, -2
Question 5
4 / -1

Oxidation number of Carbon in carbon suboxide (C₃O₂) is

A
+ 2/3

B
+ 4/3

C
+ 4

D
– 4/3
Question 6
4 / -1

A
+ 2, + 2

B
-2, + 2

C
+ 2, - 1

D
-2, + 1

Solution
Question 7
4 / -1

In which of the following compounds, iron has the lowest oxidation number?

A

B

C

D

Solution
Question 8
4 / -1

In which of the following reactions, the underlined substance has been oxidized?

A

B

C

D

Solution
Question 9
4 / -1

In which of the following reactions, the underlined substance has been reduced?

A

B

C

D

Solution
Question 10
4 / -1

Which of the following represents a redox reaction?

A

B

C

D

Solution