AIPMT PRELIMS2002Chemistry-Periodic Table
AIPMT PRELIMS 2002 Chemistry Lanthanides MCQ Question
Type: MCQ-conceptual-Medium-Class 11
General electronic configuration of lanthanides is
A
(n – 2) f¹⁻¹⁴ (n – 1) s²p⁶d⁰⁻¹ ns²
B
(n – 2) f¹⁰⁻¹⁴ (n – 1) d⁰⁻¹ ns²
C
(n – 2) f⁰⁻¹⁴(n – 1) d¹⁰ ns²
D
(n – 2) d⁰ (n – 1) f¹⁻¹⁴ ns²
Correct Answer
Option A
Detailed Explanation
Lanthanides have the general electronic configuration of (n – 2) f¹⁻¹⁴ (n – 1) s²p⁶d⁰⁻¹ ns², where the f-orbitals are being filled.
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