Qualitative Analysis - Result Question 28

####28. A solution of colourless salt H on boiling with excess NaOH produces a non-flammable gas. The gas evolution ceases after sometime. Upon addition of Zn dust to the same solution, the gas evolution restarts. The colourless salt(s) H is (are)

(2008,4M)

(a) NH4NO3

(b) NH4NO2

(c) NH4Cl

(d) (NH4)2SO4

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Solution:

  1. NH4NO3+NaOHNaNO3+NH3+H2O

NH4NO2+NaOHNaNO2+NH3+H2O



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