Which of the following sets of ions contain only paramagnetic ionsa. S – InterviewSolution

1.

Which of the following sets of ions contain only paramagnetic ionsa. Sm3⊕, Ho3⊕, Lu3⊕b. La3⊕, Ce3⊕, Sm3⊕c. La3⊕, Eu3⊕, Gd3⊕d. Ce3⊕, Eu3⊕, Yb3⊕

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Correct answer is

d. Ce^3⊕, Eu^3⊕, Yb^3⊕

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