Given the balanced equation:
2ki f2 → 2kf i2
which type of chemical reaction does this equation represent?
(1) synthesis
(2) decomposition
(3) single replacement
(4) double replacement

Option (3) is the correct answer.

Explanation:

When a more reactive element or atom replaces a less reactive atom then this type of reaction is known as single displacement reaction.

In the given reaction, potassium iodide reacts with fluorine and results in the formation of potassium fluoride and iodine.

Here, fluorine being more reactive displaces iodine from potassium iodide.

Therefore, it is a single replacement or displacement reaction.

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