Analytical ChemistryHard
Question
Which one of the following compounds on reaction with Na2O2 in alkaline medium gives yellow colour solution?
Options
A.Cr (OH)3
B.Zn(OH)2
C.Al(OH)3
D.None of these.
Solution
2 Cr(OH)3 + 3 Na2O2 → 2Na2 CrO4 (yellow colour solution) + 2NaOH + H2O.
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