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Assign Oxidation Numbers to the Underlined Elements in Each of the Following Species Cao2 - CBSE (Science) Class 11 - Chemistry

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Question

Assign oxidation numbers to the underlined elements in each of the following species

CaO2

Solution 1

CaO2

Then, we have

(+2) + 2(x) = 0

=> 2 + 2x = 0

=>x = -1

Hence, the oxidation number of O is – 1.

Solution 2

Let the oxidation number of `CaO_2` be x

2 + 2x = 0    (∵ oxy No of a = +2)

x = -1  

Thus oxidation number of O in `CaO_2` = -1

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Solution Assign Oxidation Numbers to the Underlined Elements in Each of the Following Species Cao2 Concept: Oxidation Number - Introduction.
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