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Which is not the correct statement about...

Which is not the correct statement about the chemistry of 3d and 4f series elements

A

3d elements show more oxidation states than 4f series elements.

B

The energy difference between 3d and 4s orbitals is very little.

C

Europium (II) is more stable than Ce(II).

D

The paramagnetic character in 3d series elements increases from scandium to copper.

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The correct Answer is:
D
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