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 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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