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Determine the Oxidation Number of Chromium in the compounds: Fe(CrO 2 ) 2 Na 3 [Cr(OH) 6 ] Please also write the steps and required points to be kept in mind while finding OS of such compounds...

Determine the Oxidation Number of Chromium in the compounds:


Fe(CrO2)2                Na3[Cr(OH)6]


 Please also write the steps and required points to be kept in mind while finding OS of such compounds...

Grade:11

1 Answers

askiitian.expert- chandra sekhar
10 Points
12 years ago

Hi,

Fe can be +2 or +3

O is -2

therfore Cr can be +3 or +3.5

therefore Cr is in +3 oxidation state




OH has -1

Na has +1

therefore Cr is in +3 OS

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