Given below are two statements: one is labelled as Assertion (A) and the other is labelled as Reason (R). Assertion (A): The metal carbon bond in…

Given below are two statements: one is labelled as Assertion (A) and the other is labelled as Reason (R). Assertion (A): The metal carbon bond in metal carbonyls possesses both $\displaystyle \sigma$ and $\displaystyle \pi$ character. Reason (R): The ligand to metal bond is a $\displaystyle \pi$ bond and metal to ligand bond is a $\displaystyle \sigma$ bond. In the light of the above statements, choose the most appropriate answer from the options given below.