Analytical ChemistryHard
Question
Acidified K2Cr2O7 solution turns green when Na2SO3 is added to it. this is due to the formation of
Options
A.CrO42-
B.Cr2 (SO3)3
C.Cr2SO4
D.Cr2(SO4)3
Solution
K2Cr2O7 + Na2SO3 + 4H2SO4 → 3Na2SO4 + K2SO4 + Cr2(SO4)3 + 4H2O
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