Given below are two statements: one is labelled as Assertion (A) and the other is labelled as Reason (R). Assertion (A): $[\mathrm{Ni(CO)_4}]$ is a square planar complex. Reason (R): $[\mathrm{Ni(CO)_4}]$ is diamagnetic in nature. In the light of the above statements, choose the correct answer from the options given below.
- AA is true but R is false.
- BA is false but R is true.
- CBoth A and R are true and R is the correct explanation of A.
- DBoth A and R are true but R is NOT the correct explanation of A.
✓ Correct answer: B
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