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Byju's Answer
Standard XII
Chemistry
Octet Rule
Oxidation num...
Question

Oxidation number of C in CO2 is:


A

+2

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B

+4

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C

-2

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D

-4

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Solution

The correct option is B

+4


Oxygen is assigned the oxidation number -2 in its simple oxides. so,

x + 2(-2)=0

x = 4


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