BITSAT 2019 Paper

Section: Chemistry

© examsiri.com

Question : 46 of 150

Marks: +1, -0

The electronic configurations of Eu(Atomic No. 63), Gd(Atomic No. 64) and Tb (Atomic No. 65) are

[Xe]4f‌76s‌2, [Xe]4f‌86s‌2 and [Xe]4f‌85d‌16s‌2
[Xe]4f‌75d‌16s‌2, [Xe]4f‌75d‌16s‌2 and [Xe]4f‌96s‌2
[Xe]4f‌65d‌16s‌2, [X e]4f‌75d‌16s‌2 and [Xe]4f‌85d‌16s‌2
[Xe]4f‌76s‌2, [Xe]4f‌75d‌16s‌2 and [Xe]4f‌96s‌2

Go to Question:

Prev Question

Next Question