Question

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

Reason : Orbital motion contributes magnetic moment.

(a) Both A and R are true and R is the correct explanation of A

(b) Both A and R are true but R is not correct explanation of A

(c) A is true but R is false

(d) A and R are false

Answer 1

The correct option is (a) Both A and R are true and R is the correct explanation of A.