Due to lanthanoid contraction which of the following properties is not expected to be similar in the same vertical columns of second and third row transition elements?
A
Atomic radii
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B
Ionisation energies
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C
Magnetic moments
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D
Lattice energies
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Solution
The correct option is D Magnetic moments Magnetic moment depends on the number of unpaired electrons, as the configuration changes the number of unpaired electrons changes. Hence magnetic moment changes.