
Interpretation:
The unbalanced chemical equation corresponding to the electric decomposition of potassium iodide in water needs to be presented.
Concept Introduction:
- A
chemical reaction is expressed as a chemical equation having reactants and products on left and right side of the reaction arrow respectively.
- It also gives the physical state (
solid (s), liquid (l), gas (g)) and the amount of reactants and products involved in the reaction.

Answer to Problem 14A
Explanation of Solution
The given process involves the reaction between potassium iodide solid with water to form aqueous potassium hydroxide, elemental iodine and hydrogen gas. The reactants and products are:
Reactant:
Products:
Unbalanced equation:
Therefore the unbalanced reaction will have solid potassium iodide and water as the reactants with aqueous potassium hydroxide, elemental iodine and hydrogen gas as the products.
Chapter 7 Solutions
World of Chemistry, 3rd edition
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