Redox Reactions Test

Result

Redox Reactions Test - 9

Score
-
out of -
Rank
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TIME Taken - -

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Weekly Quiz Competition

Question 1
4 / -1

A
5 ml of 0.1 M

B
10 ml of 0.1 M

C
10 ml of 0.5 M

D
10 ml of 0.02 M

Solution
Question 2
4 / -1

The volume of 0.05 M KMnO₄ solution required to oxidize completely 2.70 g of oxalic acid (H₂C₂O₄) in acidic medium will be

A
120 cm³

B
240 cm³

C
360 cm³

D
480 cm³

Solution
Question 3
4 / -1

A
1.49 g

B
2.98 g

C
5.96 g

D
8.94 g

Solution
Question 4
4 / -1

When SO₂ is passed through an acidified solution of potassium dichromate, the oxidation state of S changes from

A
+ 4 to 0

B
+ 4 to +2

C
+ 4 to + 6

D
+ 6 to + 4

Solution
Question 5
4 / -1

When SO₂ is passed through a solution of potassium iodate, the oxidation state of iodine changes from

A
+ 5 to 0

B
+ 5 to – 1

C
– 5 to 0

D
– 7 to – 1

Solution
Question 6
4 / -1

The oxidation number of phosphorus in Ba(H₂PO₂)₂ is

A
+ 3

B
+ 2

C
+ 1

D
–1

Solution
Question 7
4 / -1

A
Zn is reduced to Zn²⁺

B
Zn is oxidised to Zn²⁺

C
Zn²⁺ is oxidised to Zn

D
Cu²⁺ is oxidised to Cu

Solution
Question 8
4 / -1

A
5

B
4

C
3

D
2

Solution
Question 9
4 / -1

The equivalent weight of MnSO₄ is half its molecular weight when it is converted into

A

B

C

D

Solution
Question 10
4 / -1

The oxidation state of chromium in Cr(CO)₆ is

A
0

B
+2

C
-2

D
+6