Transition and InnerTransition Elements - Result Question 35

####36. Ammonium dichromate is used in some fireworks. The green coloured powder blown in the air is

(1997, 1M)

(a) CrO3

(b) Cr2O3

(c) Cr

(d) CO

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Solution:

  1. Ammonium dichromate [(NH4)2Cr2O7] on heating decomposes producing green powder of Cr2O3 and N2(g) is evolved.


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