In which type of compounds do Pr, Nd, Tb, and Dy exhibit the +4 oxidation state? - d and f BLOCK ELEMENTS Quiz | GKFix.in

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Question

In which type of compounds do Pr, Nd, Tb, and Dy exhibit the +4 oxidation state?

A. Only in oxides (MO₂)
B. In aqueous solutions
C. In halides
D. In sulfides