Question

A scientist finds an unlabelled bottle on a shelf.

She thinks the bottle contains a solution of ammonium sulfate, (NH4)2SO4

Describe tests the scientist could do to show that the solution is ammonium sulfate.

6 mark question, so please try to give 6 brief points.​

Answer 1

A scientist finds an unlabelled bottle on a shelf. She thinks the bottle contains a solution of ammonium sulfate, (NH4)2SO4 Describe tests the scientist could do to show that the solution is ammonium sulfate.

Ammonium sulfate is often used as a fertiliser. It is prepared by reacting ammonia (NH3) with sulfuric acid (H2SO4).

(i) Name the type of reaction that occurs between ammonia and sulfuric acid.

(ii) Write a chemical equation for the reaction of ammonia with sulfuric acid.

(iii) Draw a dot-and-cross diagram to show the bonding in a molecule of ammonia. Show outer electrons only.

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