JEE CHEMISTRY MCQ: d & f- BLOCK ELEMENTS

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Analyzing +4 | -1

Assertion (A): The degree of complex formation in actinoides decreases in the order

{M}_4^{+}>{MO}_2^{2+}>{M}^{3+}>{MO}_2^{+}

Reason (R): Actinoides form complexes with

\pi

-bonding ligands such as alkyl phosphines and thioethers.

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Correct option: A

Both A and R are true and R is the correct explanation of A

Option A (Both A and R are true and R is the correct explanation of A) is correct because the degree of complex formation depends on the charge and size of the ion, and actinides form complexes with pi-bonding ligands.

JEE CHEMISTRY MCQ: d & f- BLOCK ELEMENTS

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