Short answerEasy3 marks
Ammonia burns in oxygen as shown below. 4NH₃ + 3O₂ → 2N₂ + 6H₂O If 240 cc of ammonia is burnt in 300 cc of oxygen, find out the composition of the resultant gaseous mixture at room temperature.
Topic: Ammonia: preparation, properties and reactions
Previous-year question practice database
Answer
Exam answer
120 cc N₂ and 120 cc O₂.
Explanation
240 cc NH₃ uses 180 cc O₂ and forms 120 cc N₂; 120 cc O₂ remains.
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