mackmickpalmer1 mackmickpalmer1

23-04-2018
Chemistry

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a) Which of the following reagents would oxidize Cr to Cr2 , but not Fe to Fe3 ?

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lilaipo lilaipo

02-05-2018

The answer is Co2+ This is the reagent that would oxidize Cr to Cr2 , but not Fe to Fe3. A metal that lies between Cr and Sn is Cobalt. In order for it to oxidize Cr, it has to be Co+2 (Cobalt cation).

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