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MHT CET Chemistry question

ChemistryClassification of Elements and Periodicity in PropertiesMHT CET

ion is isoelectronic with

Answer: (A)

Solution

Ce4+ ([Xe], 54 electrons) is isoelectronic with La3+ ([Xe], 54 electrons); Gd3+ (61 electrons) and Lu3+

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Question ID VK-074431