JEE Main 2025 — Classification of Elements and Periodicity in Properties Question with Solution
JEE Main 2025 (4 Apr Shift 1)
Question
Given below are the pairs of group 13 element showing their relation in terms of atomic radius.
Identify the elements present in the incorrect pair and in that pair find out the element (X) that has higher ionic radius that the other one. The atomic number of the element is
Identify the elements present in the incorrect pair and in that pair find out the element (X) that has higher ionic radius that the other one. The atomic number of the element is
Choose an option
Show full solutionCorrect option: A
Correct answer
A31
Step-by-step explanation
Size order
Atomic number of Ga is 31
Atomic number of Ga is 31
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This is a previous-year question from JEE Main 2025, covering the Classification of Elements and Periodicity in Properties chapter of Chemistry. PrepSharp catalogues every PYQ from JEE Main with a verified answer key and step-by-step solution prepared by IIT alumni — so you can search by chapter, topic or year and revise efficiently.