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Question

In the reaction,
4NH3+5O24NO+6H2O,
when one mole of ammonia and 1.5 moles of oxygen are made to react completely, then:

A
1 mole of H2O is produced
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B
NH3 will be in excess
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C
1 mole of NO is formed
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D
Oxygen is completely consumed
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Solution

The correct option is C 1 mole of NO is formed
Finding limiting reagent:
Moles of ammonia = 1 mol
moles of ammoniastoichiometric coefficient=14=0.25

Moles of O2 = 1.5
moles of O2stoichiometric coefficient=1.55=0.3

Hence, ammonia is the limiting reagent.

Theoretical yield of the reaction,
moles of ammonia4=moles of NO4
Hence, moles of NO formed will be 1.

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