Question

Which ion has maximum magnetic moment.

• A. $V^{+ 3}$
• B. $Mn^{+ 3}$
• C. $Fe^{+ 3}$
• D. $Cu^{+ 2}$

Answer 1

Answer: (C)

$Fe^{+ 3}$

Answer 2

$Fe^{+ 3}$

S. No.	Outer Configu -ration		No. of unpaired e–	Colour of ion		Magnetic Moment
V+3	3d2		2	Green		2.76
Mn+3	3d4		4	Violet		1.9
Fe+3	3d5		5	Yellow		5.96
Cu+2	3d9		1	Blue		1.9