AIIMS2010Chemistry-Coordination Compounds

AIIMS 2010 Chemistry Actinides Assertion Reason Question

Type: Assertion Reason-conceptual-Medium-Class 12

Assertion: The degree of complex formation in actinides decreases in the order M⁴⁺ > MO₂²⁺ > M³⁺ > MO₂⁺. Reason: Actinides form complexes with π-bonding ligands such as alkyl phosphines and thioethers.

A

If both assertion and reason are true and reason is the correct explanation of assertion.

B

If both assertion and reason are true but reason is not the correct explanation of assertion.

C

If assertion is true but reason is false.

D

If both assertion and reason are false.

Correct Answer

Option B

Detailed Explanation

The higher the charge on the metal ion, smaller is the ionic size and more is the complex forming ability.

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