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11 January, 23:38

Given the balanced equation:

2 KI + F2 - -> 2 KI + I2

Which type of chemical reaction does this equation represent?

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Answers (1)
  1. 12 January, 00:11
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    In our case, the equation 2KI + F2 → 2 KI + I2 is a single-replacement (also called single - displacement) reaction.

    Explanation:

    Step 1: The balanced equation:

    2KI + F2 → 2 KI + I2

    Step 2: What kind of reaction

    Since we start with 2 reactants and end with 2 products, we can say it won't be a synthesis or decomposition reaction.

    In our case, It looks like it's a replacement reaction.

    - A single-replacement reaction is a reaction in which one element replaces a similar element in a compound. The general form of a single-replacement reaction is: A+BC→AC+B

    where element A is a metal and replaces element B, also a metal, in the compound.

    When the element that is doing the replacing is a nonmetal, it must replace another nonmetal in a compound.

    - A double-replacement reaction is a reaction in which the positive and negative ions of two ionic compounds exchange places to form two new compounds. The general form of a double-replacement reaction is: AB+CD→AD+BC

    In our case, the equation 2KI + F2 → 2 KI + I2 is a single-replacement (also called single - displacement) reaction.
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