P-Block Elements Ques 235

Question: Ammonium nitrate decomposes on heating into

[NCERT 1974,75; CPMT 1973, 78, 88, 94; AMU 1984]

Options:

A) Ammonia and nitric acid

B) Nitrous oxide and water

C) Nitrogen, hydrogen and ozone

D) Nitric oxide, nitrogen dioxide and hydrogen

Show Answer

Answer:

Correct Answer: B

Solution:

$ \underset{(S)}{\mathop{NH_4NO_3}}\xrightarrow{\Delta }2H_2O\uparrow +\underset{\begin{smallmatrix} \text{Nitrous oxide} \\ \text{(Laughing}\text{gas)} \end{smallmatrix}}{\mathop{N_2O\uparrow }} $



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