Question

As per the structure of caocl2, the two cl-atoms have oxidation numbers

Answer 1

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THE OXIDATION NUMBER OF Cl is -1

The oxidation number of simple ions is equal to the charge on the ion. The oxidation number of sodium in the Na+ ion is+1, for example, and the oxidation number of chlorine in the Cl- ion is -1.

Answer 2

o.s of cl= -1 and +1...

average o.s. of cl= 0