CrO3 માં ક્રોમિયમ (Cr) નો ઓક્સિડેશન આંક ...

`CrO_3` માં ક્રોમિયમ (Cr) નો ઓક્સિડેશન આંક ……. છે.

A

`+6`

B

`+4`

C

`+5`

D

`+2`

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The correct Answer is:

A

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