Question
Chemistry Question on Group 17 Elements
Which one of the following is the true covalent oxide of iodine?
A
I2O4
B
I2O5
C
I2O7
D
I2O9
Answer
I2O4
Explanation
Solution
In general, higher the oxidation state, more is the covalent character of the oxide. I2O7 and I2O9 do not exist. I2O4 is ionic in nature. It is infact iodyl iodate [IO]+[IO3]−. The only covalent oxide of iodine is I2O5.