AIIMS2007Chemistry-Inorganic Chemistry

AIIMS 2007 Chemistry Lanthanoids Assertion Reason Question

Type: Assertion Reason-conceptual-Medium-Class 12

Assertion : Magnetic moment of Dy is the highest among the lanthanoids.

Reason : Orbital motion contributes magnetic moment.

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 A

Detailed Explanation

The magnetic moment of transition elements may be calculated from the equation.

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