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JEE Main Chemistry question

ChemistryClassification of Elements and Periodicity in PropertiesJEE Main

The ionic radii for ions , , and are 0.31 Å, 0.72 Å, 0.76 Å, and 1.02 Å (not in the same order). What is the numerical value of ionic radius for ?

Answer: 0.72

Solution

Radius increases down a group and decreases across a period, but and show a diagonal relationship (similar size) due to similar charge

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Question ID VK-133872