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A mixture of potassium chlorate, oxalic ...

A mixture of potassium chlorate, oxalic acid and sulphuric acid is heated. During the reaction which element undergoes maximum change in the oxidation number?

A

S

B

H

C

CI

D

C

Text Solution

Verified by Experts

The correct Answer is:
c
`overset(+5)KCI_(3)+3overset(+3)COOH_(2)overset(H_(2)SO_(4))rarr overset(-1)KCI+6overset(+4) CO_(2)+3H_(2)O`
Maximum change in O.N of CI =+5 -(-)=+6
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