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Question

On burning NH3in the presence of oxygen gives:


A

N2 and H2O

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B

NO and H2O

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C

NO2 and H2O

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Solution

The correct option is A

N2 and H2O


Explanation for Correct answer:

Option B N2 and H2O

  • Heating NH3 in the presence of oxygen produces Nitrogen gas (N2) and water (H2O).

4NH3(g)Ammonia+3O2(g)Oxygen2N2(g)Nitrogen+6H2O(g)water

  • Hence option A is correct

Explanation for incorrect answer:

Option A NO and H2O.

  • Heating Ammonia NH3 in the presence of oxygen and catalysts will produce Nitric oxide (NO) and water (H2O).
  • 4NH3(g)Ammonia+5O2(g)OxygenPt/Ru4NO(g)Nitricoxide+6H2O(g)water
  • Hence option B is incorrect

Option C NO2 and H2O

  • Heating NH3 in the presence of oxygen produces Nitrogen gas (N2) and water (H2O).
  • Hence option C is incorrect.

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