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JEE Main Chemistry question

ChemistryClassification of Elements and Periodicity in PropertiesJEE Main

The correct order of size of iodine species is [DCE 2007]

Answer: (B)

Solution

An anion is always larger than its parent neutral atom (extra electron increases electron-electron repulsion and reduces effective nuclear pull per electron), while a cation is always smaller than its parent atom (fewer

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Question ID VK-133134