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JEE MAIN 2021
16-03-2021 S2
Question
Arrange the following metal complex/compounds in the increasing order of spin only magnetic moment. Presume all the three, high spin system. (Atomic numbers $\mathrm{Ce}=58, \mathrm{Gd}=64$ and $\mathrm{Eu}=63$.) (a) $\left(\mathrm{NH}_4\right)_2\left[\mathrm{Ce}\left(\mathrm{NO}_3\right)_6\right]$ (b) $\mathrm{Gd}\left(\mathrm{NO}_3\right)_3$ and (c) $\mathrm{Eu}\left(\mathrm{NO}_3\right)_3$ Answer is :
Select the correct option:
A
(b) < (a) < (c)
B
(c) < (a) < (b)
C
(a) < (b) < (c)
D
(a) < (c) < (b)
✓ Correct! Well done.
✗ Incorrect. Try again or view the solution.
Solution
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Chemistry
Easy
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