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The formal oxidation of Cr and Cl in the...

The formal oxidation of Cr and Cl in the ions `Cr_(2)O_(7)^(2-)" and "ClO_(3)^(-),` respectively, are

A

`+6 and +7`

B

`+7 and +5`

C

`+6 and +5`

D

`+8 and +7`

Text Solution

Verified by Experts

The correct Answer is:
C
Oxidation number of Cr in `Cr_(2)O_(7^(2-))=+2x-14=-2rArrx=+6`
Oxidation number of Cl in `ClO_(3)^(-)=x-6=-1rArrx=+5`
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