Question

Which of the following chemical equations best describes the dissolution of ammonium nitrate in water?
a. NH4NO3(s) ==> NH4NO3(aq);b. NH4NO3(s) ==> NH4+(aq) + NO3-(aq);c. 2 NH4NO3(s) ==> 2 N2(g) + 4 H2(g) + 3 O2(g

Answer 1

Answer:

The correct answer is letter b. NH4NO3(s) ==> NH4+(aq) + NO3-(aq)

Explanation:

It is not the letter A because the compound is ionic so should dissociate into ions. Also, it is not the letter C because the dissolution is a physical process, thus the compound should not undergo a chemical reaction.

Answer 2

The correct chemical equation that represents the dissolution of ammonium nitrate in water is:

$\bold {NH_4NO_3(s) \rightarrow NH4^+(aq) + NO3^-(aq)}$

How does ammonium nitrate in water?

• Amammonium nitrate is made up of two ions positive ammonium and negative nitrate ion.

• When solid ammonium nitrate is mixed in water the positive ammonium ion is surrounded by the partially negative oxygen atom of water.

• The negative nitrate ion is surrounded by the partially positive hydrogen atom of water.

Therefore, the correct chemical equation that represents the dissolution of ammonium nitrate in water is:

$\bold {NH_4NO_3(s) \rightarrow NH4^+(aq) + NO3^-(aq)}$

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