Question

Name a member of landthenoid series which is well known to exhibit +4 oxidation state.
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Answer 1

hey mate here your answer..

The lanthanides that exhibit +2 and +4 states are shown in the given table. The atomic numbers of the elements are given in the parenthesis.

+2

+4

Nd (60)

Ce (58)

Sm (62)

Pr (59)

Eu (63)

Nd (60)

Tm (69)

Tb (65)

Yb (70)

Dy (66)

Ce after forming Ce4+ attains a stable electronic configuration of [Xe].

Tb after forming Tb4+ attains a stable electronic configuration of [Xe] 4f7.

Eu after forming Eu2+ attains a stable electronic configuration of [Xe] 4f7.

Yb after forming Yb2+ attains a stable electronic configuration of [Xe] 4f14.

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Answer 2

Answer:

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