Hydrogen and its compoundHard
Question
Ammonium dichromate is some fireworks. The green coloured powder blown in the air is :
Options
A.CrO3
B.Cr2O3
C.Cr
D.CrO(O2)
Solution
Ammonium dichromate decomposes as follows when ignited.
(NH4)2Cr2O7
Cr2O3 + N2 + 4H2O
green powder (Chromium sesquioxide)
(NH4)2Cr2O7
Cr2O3 + N2 + 4H2Ogreen powder (Chromium sesquioxide)
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