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Arrange the following metal complex/compounds in the increasing order of spin only magnetic moment. Presume all the thre…

Q1

Arrange the following metal complex/compounds in the increasing order of spin only magnetic moment. Presume all the three, high spin system.
(Atomic numbers \(Ce =58, Gd =64\) and \(Eu =63\).)
A. \(\left( NH _4\right)_2\left[ Ce \left( NO _3\right)_6\right]\)
B. \(Gd \left( NO _3\right)_3\) and
C. \(Eu \left( NO _3\right)_3\)

Answer is:

[JEE Main 2021, 16 Mar (Shift 2)]

a

(A) \(<\) (C) \(<\) (B)

b

(B) \(<\) (A) \(<\) (C)

c

(C) \(<\) (A) \(<\) (B)

d

(A) \(<\) (B) \(<\) (C)

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