Statement 1: Lanthanides have much less tendency to form complexes than actinides.
Statement 2: Compared to actinides, the lanthanides have relatively larger size of atoms and less nuclear charge.

Statement 1 is True, statement 2 is True, statement 2 is a correct explanation of statement 1

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Statement 1 is True, statement 2 is True, statement 2 is not a correct explanation of statement 1

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Statement 1 is true, Statement 2 is False

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Statement 1 is False, Statement 2 is True

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Solution

The correct option is A Statement 1 is True, statement 2 is True, statement 2 is a correct explanation of statement 1
Because of higher effective nuclear charge and smaller size of atoms the actinides have higher charge density and because of that they have greater tendency to form complexes than the lanthanides.

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Statement 1: Lanthanides have much less tendency to form complexes than actinides.Statement 2: Compared to actinides, the lanthanides have relatively larger size of atoms and less nuclear charge.

Statement 1: Lanthanides have much less tendency to form complexes than actinides.
Statement 2: Compared to actinides, the lanthanides have relatively larger size of atoms and less nuclear charge.