Question

Presence of which of the following enables ammonium nitrates to produce toxic fumes even after the initial fire is removed?

(a) Bromides

(b) Nitrates

(c) Chlorides

(d) Oxides

I have been asked this question in class test.

The doubt is from Inorganic Chemical topic in section Inorganic Chemical Industries of Chemical Technology

Answer 1

The correct answer is (c) Chlorides

The explanation is: Some types of ammonium nitrates containing a small amount of chlorides (e.g., Potassium Chlorides) undergo self-sustaining decomposition. This spreads throughout the mass to produce toxic fumes.