The following reaction is an example of a:

4NH3 (g) + 5O2 (g) → 4NO(g) + 6H2O(g)
  1. displacement reaction
  2. combination reaction
  3. redox reaction
  4. neutralisation reaction
(a) (i) and (iv)
(b) (ii) and (iii)
(c) (i) and (iii)
(d) (iii) and (iv)

AcademicChemistryNCERTClass 10

Correct Answer: (c) (i) and (iii) 

Explanation: The reaction provided is displacement and redox reaction. Oxygen displaces hydrogen in ammonia, making it a displacement reaction. Nitrogen gets oxidized and oxygen is reduced, resulting in a redox reaction.

Updated on 10-Oct-2022 13:27:08