AIIMS 2019 Chemistry Reactions of Ammonia MCQ Question

When ammonia (NH₃) reacts with bleaching powder (calcium hypochlorite, Ca(OCl)₂), it leads to the formation of nitrogen gas (N₂) through a series of reactions that involve the reduction of hypochlorite ions. This reaction primarily occurs because NH₃ acts as a reducing agent, facilitating the release of nitrogen.

Option B, Ca(OH)₂, is incorrect as it is a product of the hydrolysis of bleaching powder but not directly formed in this reaction. Option C, NCl₃ (nitrogen trichloride), can form under certain conditions but is not the primary product of the reaction with NH₃ and bleaching powder. Option D, O₂, is also incorrect as oxygen is not a product of this specific reaction.