22 Jan 2025 Shift-1Medium
Q.Lanthanoid ions with 4f⁷ configuration are: (A) Eu²⁺ (B) Gd³⁺ (C) Eu³⁺ (D) Tb³⁺ (E) Sm²⁺ Choose the correct answer:
a
(A) and (B) only
b
(A) and (D) only
c
(B) and (E) only
d
(B) and (C) only
Correct Answer: Option A
The correct solution involves applying the fundamental concept to derive the final value step by step...