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GUJCET · Chemistry · The d & f Block Elements
Which of the following ion has highest magnetic moment value?
- A \(\mathrm{Cr}^{2+}\)
- B \(\mathrm{Ni}^{2+}\)
- C \(\mathrm{Cu}^{2+}\)
- D \(\mathrm{Co}^{2+}\)
Answer & Solution
Correct Answer
(A) \(\mathrm{Cr}^{2+}\)
Step-by-step Solution
Detailed explanation
\(\mathrm{Cr}^{2+}\): \([Ar] 3d^4\) \(\rightarrow n=4\) \(\mathrm{Ni}^{2+}\): \([Ar] 3d^8\) \(\rightarrow n=2\)
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