JEE Main 2020 — D And F Block Elements Question with Solution
From: JEE Main 2020 (Online) 5th September Morning Slot
Question
The correct electronic configuration and spin-only
magnetic moment (BM) of Gd3+ (Z = 64), respectively, are :
magnetic moment (BM) of Gd3+ (Z = 64), respectively, are :
Choose an option
Show full solutionCorrect option: B
Correct answer
B[Xe]4f7 and 7.9
Step-by-step explanation
Gd3+ (Z = 64) = [Xe] 4f7
Magnetic moment () = B.M
=
= 7.9 B.M
Magnetic moment () = B.M
=
= 7.9 B.M
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