Question

Take the reaction: nh3 + o2  no + h2o. In an experiment, 3.25 g of nh3 are allowed to react with 3.50 g of o2. Hint



a. Which reactant is the limiting reagent?



b. How many grams of no are formed?



c. How much of the excess reactant remains after the reaction?

Answer 1

The given reaction is wrong. The correct reaction is:

4 NH3 + 5 O2 ⇄4 NO + 5H20

68 grams of ammonia requires 160 grams of oxygen gas.

So, 3.25 grams of ammonia requires 2.4 grams of ammonia, but 3.5 grams of oxygen gas requires 1.4825 grams of ammonia.

So, there is no limiting reagent in this question.

So, your question is completely wrong.

Thanking you,

Yours truly,

N. JAYARAMAN

IISc. BENGALURU

HOD, ORGANIC CHEMISTRY.