Assertion (A): The transition metal ions are generally paramagnetic in nature
Assertion (R): Metal ions with incompletely filled d-orbitals are paramagnetic in nature.

Options

A. Both (A) and (R) are true and (R) is the correct explanation of (A)
B. Both (A) and (R) are true and (R) is not the correct explanation of (A)
C. (A) is true but (R) is false
D. (A) is false but (R) is true