The oxidation state of chlorine in chlorous acid is:

+ 2

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+ 3

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- 1

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Solution

The correct option is B + 3
Chlorous acid = $+ 1 + 3 - 4 H C l O_{2}$
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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The oxidation state of chlorine in chlorous acid is:

The correct option is B + 3Chlorous acid = +1 +3 −4HClO2Let oxidation state of chlorine be x.∴x+1+2(−2)=0Here oxidation state of oxygen is -2 and that of hydrogen is +1.∴x=+3oxidation state in chlorous acid of chlorine is +3.

The correct option is B + 3
Chlorous acid = $+ 1 + 3 - 4 H C l O_{2}$
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.