Question

LIST-1
A) NH3
B)KMnO4
C)SO2
D)He
1) Oxidant
2) Both oxidant and
reductant
3) Neither oxidant
nor reductant
4) Reductant
5) Dehydrating agent
The correct match is
A B C D
1) 4 3 1 5
2) 2 4 1 3
3) 4 1 2 3
4) 3 2 1 4​

Answer 1

Answer:

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Answer 2

Substance can acts as both oxidizing as well as reducing agent when a metal atom is present in its intermediate step.

O

3

can acts as only oxidizing agent due to its unstable nature and decomposes to give nascent oxygen.

HNO

3

:Nitrogen is present in its highest oxidation state i.e.,+5 so it can act as only oxidizing agent.

SO

2

:Sulphur is present in +4 oxidation state so it can act as both oxidizing as well as reducing agent.

H

2

O

2

:Oxygen is present in -1 oxidation state so it can act as both oxidizing as well as reducing agent.