Structure Of Atom Question 3

Question 3 - 2024 (27 Jan Shift 1)

Which of the following electronic configuration would be associated with the highest magnetic moment?

(1) $[\operatorname{Ar}] 3 \mathrm{~d}^{7}$

(2) $[\operatorname{Ar}] 3 \mathrm{~d}^{8}$

(3) $[\mathrm{Ar}] 3 \mathrm{~d}^{3}$

(4) $[\operatorname{Ar}] 3 \mathrm{~d}^{6}$

Show Answer

Answer (4)

Solution

$3 d^{7}$ $3 d^{8}$ $3 d^{3}$ $3 \mathrm{~d}^{6}$
No.of. unpaired e 2 3 4
Spin only
Magnetic
moment
$\sqrt{15}$
$\mathrm{BM}$
$\sqrt{8}$
$\mathrm{BM}$
$\sqrt{15}$
$\mathrm{BM}$
$\sqrt{24}$
$\mathrm{BM}$