Predict if a reaction would occur when solutions of 0.1 M Al(NO3)3 and 0.1 M KI are combined. Explain your reasoning, and, if you predict a reaction will occur, include the net ionic equation for the reaction.

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Answer:

The reaction is impossible

Explanation:

Potassium is above aluminum in the electrochemical series hence it cannot be displaced by aluminum in a double decomposition reaction.

A double decomposition (often shown by a net ionic equation) is possible if and only if the reaction leads to the formation of an insoluble precipitate.

Such a reaction cannot occur here because the redox potential of potassium is far more negative than that of aluminum hence the reaction is impossible.

The reaction between 0.1 M Al(NO₃)₃ and 0.1 M KI is not feasible.

Why the reaction does not occur?

Potassium is above aluminum in the electrochemical series hence it cannot be displaced by aluminum in a double decomposition reaction.

A double decomposition is possible if and only if the reaction leads to the formation of an insoluble precipitate.

Such a reaction cannot occur here because the redox potential of potassium is far more negative than that of aluminum

Hence, the reaction is not feasible.

Find more information about Electrochemical series here:

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