A mixture of potassium chlorate oxalic acid and suplhuric acid is heated during the reaction which element undergoes maximum change in the oxidation number ?

A mixture of potassium chlorate oxalic acid and suplhuric acid is heat

1.	A mixture of potassium chlorate oxalic acid and suplhuric acid is heated during the reaction which element undergoes maximum change in the oxidation number ?
Answer» S H CI C Solution :`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