1.

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

Answer»

3d elements show more OXIDATION states than 4f series.
The energy difference between 3d and 4s orbital is very little.
Europium (II) is more stable than certum (II).
The PARAMAGNETIC CHARACTER in 3d elements increases from scandium to copper.

Solution :Paramagnetic character increases from scandium to manganese and then DECREASES from manganese to copper.


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