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JEE Advanced Chemistry question

ChemistryClassification of Elements and Periodicity in PropertiesJEE Advanced

The trivalent ion having largest size is

Answer: (D)

Solution

Within group 4 (, , ), size would ordinarily increase down the group, though Zr and Hf are nearly equal due to lanthanide contraction. However, , belonging to period 6 at the

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Question ID VK-159791