Question

In this equation, 2kclo3 = 2kcl + 3o2
whats the oxidation number of cl in 2kclo3

Answer 1

Answer: +5

Step-by-step explanation:

The oxidation number of potassium is +1, and the oxidation number of oxygen is -2. So, for the compound to have a charge of 0, the oxidation number of chlorine must be +5.