Use Hund's rule to derive the electr | Class 12 Chemistry Chapter The d-and f-Block Elements, The d-and f-Block Elements NCERT Solutions
Question: Use Hund's rule to derive the electronic configuration of Ce3+ ion and calculate its magnetic moment on the basis of 'spin-only' formula.
Answer:

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Welcome to the NCERT Solutions for Class 12 Chemistry - Chapter . This page offers a step-by-step solution to the specific question from Excercise 2 , Question 31: Use Hund's rule to derive the electronic configuration of Ce3+ ion and calculate its magnetic mo....
Comments
The answer 2.828 is wrong. Correct answer is 1.73 BM. Because the question asks to find the magnetic moment of Ce3+ & not Ce. Hence, the no. Of unpaired election in Ce3+ is 1 & not 2.