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Which of the following arrangements repr...

Which of the following arrangements represent increaseing oxidation number of the central atom?

A

`CrO_(2)^(-) , ClO_(3)^(-), CrO_(4)^(2-), MnO_(4)^(-)`

B

`ClO_(3)^(-), CrO_(4)^(2-) , MnO_(4)^(-) , CrO_(2)^(-)`

C

`CrO_(2)^(-), ClO_(3)^(-) , MnO_(4)^(-), CrO_(4)^(2-)`

D

`CrO_(4)^(2-), MnO_(4)^(-), CrO_(2)^(-), ClO_(3)^(-)`

Text Solution

Verified by Experts

The correct Answer is:
A

Rules to assign oxidation number (VII)
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