Chemistry-(general)
NEET Chemistry (general) MCQ Question
Type: MCQ-numerical-Medium-Class 12
Based on the electronic configurations provided, which lanthanoid element has the smallest ionic radius for its +3 ion?
A
Lutetium
B
Lanthanum
C
Europium
D
Samarium
Correct Answer
Option A
Detailed Explanation
Lutetium (Lu) has the smallest ionic radius among the lanthanoids listed, with a radius of 86 pm for its +3 ion, as shown in the provided NCERT table.
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