Transition and InnerTransition Elements - Result Question 29

####30. (NH4)2Cr2O7 on heating gives a gas which is also given by

(a) heating NH4NO2

(2004,1M)

(b) heating NH4NO3

(c) Mg3N2+H2O

(d) Na (comp.) +H2O2

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Solution:

  1. Ammonium dichromate on heating produces N2(g). NH4NO2 also gives N2 on heating :

(NH4)2Cr2O7ΔN2+Cr2O3+4H2O NH4NO2ΔN2+2H2O



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