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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

Cl

D

C

Text Solution

Verified by Experts

The correct Answer is:
C
`KClO_(3)+H_(2)C_(2)O_(4)+H_(2)SO_(4) rarr K_(2)SO_(4)+KCl+CO_(2)+H_(2)O`
Maximum change in oxidation number is observed in `Cl` (+5 to -1)
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