Question

Decomposition of ammonium chloride by heat to give ammonia and chlorine is an example of ____________

Answer 1

On heating strongly above 340oC, the white solid ammonium chloride, thermally decomposes into a mixture of two colourless gases ammonia and hydrogen chloride. On cooling the reaction is reversed and solid ammonium chloride reforms. ... But, more importantly in this section, it is an example of a reversible reaction.