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Question

The oxidation state of chlorine in chlorous acid is:
  1. + 2
  2. + 3
  3. - 1
  4. - 2

A
+ 3
B
- 1
C
+ 2
D
- 2
Solution
Verified by Toppr

Chlorous acid = +1 +3 4HClO2
Let oxidation state of chlorine be x.
x+1+2(2)=0
Here oxidation state of oxygen is -2 and that of hydrogen is +1.
x=+3
oxidation state in chlorous acid of chlorine is +3.

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