Question

For the reaction

KClO2⟶KCl+O2

assign oxidation numbers to each element on each side of the equation.
K in KClO2:
K in KCl:
Cl in KClO2:
Cl in KCl:
O in KClO2:
O in O2:
Which element is oxidized?

Cl

O

K
Which element is reduced?

K

O

Cl

Answer 1

Explanation:

in KClO2:

K in KCl:

Cl in KClO2:

Cl in KCl:

O in KClO2:

O in O2:

Which element is oxidized?

Cl

O

K

Which element is reduced?

K

O

Cl