JEE Main Chemistry question

Chemistry The d and f-Block Elements JEE Main

Among Sc(III), Ti(IV), Pd(II) and Cu(II) ions

(A)All are paramagnetic
(B)All are diamagnetic
(C)Sc(III), Ti(IV) are paramagnetic and Pd(II), Cu(II) are diamagnetic
(D)Sc(III), Ti(IV) are diamagnetic and Pd(II), Cu(II) are paramagneticCorrect

Answer: (D)

Solution

and have no -electrons and are diamagnetic, whereas and

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Question ID VK-147483