What type of reaction does this equation represent?

2I4O9(s) → 4I2(s) + 9O2(g)

2I4O9_4I +9O

Explanation:

Complex compound (

I

4

O

9

) is broken down to form

I

2

and

O

2

Decomposition

Explanation:

Because it went from one compound to two elements.

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