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Select the compound in which chlorine is assigned the oxidation number +5. HClO4 HClO2 HCl NaClO3 HClO

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aobannon6207
I believe the correct answer is D. 

Oxidation is the loss of electrons.
Hope this helped!!

Oxidation number:

It is the number that represents an elements ability to lose or gain electrons.

The answer is NaClO₃, that is in this compound , the oxidation state of Cl is +5.

That can be calculated as follows:

Suppose x denotes Cl

So its oxidation number will be:

1+x+3\times -2=0

so x calculated comes out to be 5. So the answer is +5 that is the oxidation number of Cl in NaClO₃, will be +5.

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