COLOUR CHANGE

Asked by  | 26th Jan, 2009, 03:22: PM

Expert Answer:

FeSO4 is green in colour due to Fe2+ ions. It becomes yellow after sometime because the Ferrous ions (Fe2+ )get oidised to ferric ions (Fe3+) because of atmospheric oxidation.

Answered by  | 28th Jan, 2009, 10:55: AM

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