SELECT * FROM question_mgmt as q WHERE id=1955 AND status=1 SELECT id,question_no,question,chapter FROM question_mgmt as q WHERE courseId=3 AND subId=9 AND chapterId=64 and ex_no='2' AND status=1 ORDER BY CAST(question_no AS UNSIGNED)

Question:

Amongst the following ions which one has the highest magnetic moment value?

(i) [Cr(H2O)6]3+

(ii) [Fe(H2O)6]2+

(iii) [Zn(H2O)6]2+

Answer:

(i) No. of unpaired electrons in [Cr(H2O)6]3+ = 3

 

(ii) No. of unpaired electrons in[Fe(H2O)6]2+ = 4

Then, μ

 

(iii) No. of unpaired electrons in [Zn(H2O)6]2+ = 0

Hence, [Fe(H2O)6]2+ has the highest magnetic moment value.


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