Analytical ChemistryHard

Question

Which of the following does not give oxygen on heating ?

Options

A.(NH₄)₂Cr₂O₇

B.KClO₃

C.Zn(ClO₃)₂

D.K₂Cr₂O₇

Solution

(NH₄)₂Cr₂O₇

N₂ + Cr₂O₃ + 4 H₂O do not produces O₂.

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