Which of the following statements is correct?

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(D) The iodine oxides $I_2O_4$ and $I_4O_9$ are ionic in nature.$I_2O_4$ is formulated as $IO^+ \cdot IO_3^-$,which contains iodine in $+1$ and $+5$ o

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All of the above

Vedclass · Answer

(D) The iodine oxides $I_2O_4$ and $I_4O_9$ are ionic in nature.$I_2O_4$ is formulated as $IO^+ \cdot IO_3^-$,which contains iodine in $+1$ and $+5$ oxidation states.$I_4O_9$ is formulated as $I^{3+} \cdot (IO_3^-)_3$,which contains iodine in $+3$ and $+5$ oxidation states.Upon heating,$I_4O_9$ decomposes to form $I_2O_5$ and $I_2$ ($2I_4O_9 \rightarrow 2I_2O_5 + 3O_2$ is not the standard path,but it is known to yield $I_2O_5$ upon thermal decomposition).Therefore,all the given statements are correct.

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