Questions: Chemical Reactions Identifying the correct sketch of a compound in aqueous solution Imagine a small amount of each compound in the table below is dissolved in water. Pick the sketch that best shows what the solution would look like, at the atomic level. The large number of faint red and white molecules in the background of each sketch represent the water solvent. Also, the colors of the solute atoms may not mean the same element in each sketch. For example, solute oxygen atoms could be colored yellow in the first sketch but blue in the second. Chlorine atoms could be colored blue in the first sketch but yellow in the second. And so on. Note for advanced students: the sizes of the atoms and any bond angles may not be accurate. compound pick a sketch OCl₃ (Drag the slider to choose an image) NH₃ (Drag the slider to choose an image)

Chemical Reactions
Identifying the correct sketch of a compound in aqueous solution

Imagine a small amount of each compound in the table below is dissolved in water. Pick the sketch that best shows what the solution would look like, at the atomic level.

The large number of faint red and white molecules in the background of each sketch represent the water solvent. Also, the colors of the solute atoms may not mean the same element in each sketch. For example, solute oxygen atoms could be colored yellow in the first sketch but blue in the second. Chlorine atoms could be colored blue in the first sketch but yellow in the second. And so on.

Note for advanced students: the sizes of the atoms and any bond angles may not be accurate.

compound pick a sketch

OCl₃ (Drag the slider to choose an image)

NH₃ (Drag the slider to choose an image)

Transcript text: Chemical Reactions Identifying the correct sketch of a compound in aqueous solution Imagine a small amount of each compound in the table below is dissolved in water. Pick the sketch that best shows what the solution would look like, at the atomic level. The large number of faint red and white molecules in the background of each sketch represent the water solvent. Also, the colors of the solute atoms may not mean the same element in each sketch. For example, solute oxygen atoms could be colored yellow in the first sketch but blue in the second. Chlorine atoms could be colored blue in the first sketch but yellow in the second. And so on. Note for advanced students: the sizes of the atoms and any bond angles may not be accurate. compound | pick a sketch OCl₃ | (Drag the slider to choose an image) NH₃ | (Drag the slider to choose an image)

Solution

Solution Steps

Step 1: Identify the Dissociation of OCl₃ in Water

OCl₃ (oxygen trichloride) is a molecular compound.
When dissolved in water, it does not dissociate into ions.
The sketch should show OCl₃ molecules surrounded by water molecules.

Step 2: Identify the Dissociation of NH₃ in Water

NH₃ (ammonia) is a molecular compound.
When dissolved in water, it can form NH₄⁺ (ammonium) and OH⁻ (hydroxide) ions, but primarily remains as NH₃ molecules.
The sketch should show NH₃ molecules surrounded by water molecules, with a few NH₄⁺ and OH⁻ ions possibly present.

Final Answer

For OCl₃, the sketch should show OCl₃ molecules surrounded by water molecules.
For NH₃, the sketch should show NH₃ molecules surrounded by water molecules, with a few NH₄⁺ and OH⁻ ions possibly present.

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