Which can act as oxidizing as well as reducing agent? - Vidyadip

MCQ

Which can act as oxidizing as well as reducing agent?

✓
$SO_2$
B
$Mn_2O_7$
C
$Al_2O_3$
D
$CrO_3$

✓

Answer

Correct option: A.

$SO_2$

a
$SO _2$ acts both oxidizing agent and reducing agent. In $SO _2$ sulphur loses $4$ electrons to oxygen and forms $+4$ oxidation state and as it has $6$ valence electrons it has the ability to gain $2$ electrons and forms $-2$ oxidation state. So it has the ability to donate and gain the electrons so it acts like both oxidizing and reducing agent.

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