Question

Oxidation state of nitrogen in laughing gas is X. Oxidation state of sulphur in Caro’s acid is Y. Then the value of X + Y is​

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11th

Chemistry

Redox Reactions

Oxidation Number

Oxidation number of sulphur...

CHEMISTRY

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Asked on December 30, 2019 by

Pankaj Jerushah

Oxidation number of sulphur in Caros acid (H

2

SO

5

) is:

MEDIUM

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VIDEO EXPLANATION

ANSWER

In H

2

SO

5

, one peroxide bond is present.

So, the oxidation number of 2 oxygen atoms is −2. (Compare hydrogen peroxide, H

2

O

2

, 2 atoms of oxygen will get −1 oxidation number each).

The remaining 3 atoms will have −2 oxidation number each. This is a special case. Oxidation number of each hydrogen atom is +1 only.

So, finally the oxidation number of sulphur is given by,

x−2−6+2=0 (equal to zero as the compound is neutral)

or, x=+6

Explanation:

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