MCQ
Product $(N)$ is


- A

- B

- ✓

- D








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$[(\eta^5 - C_5H_5) Fe(CO)_2Cl]$ is


$(A)$ Total number of valence shell electrons at metal centre in $Fe ( CO )_5$ or $Ni ( CO )_4$ is $16$
$(B)$ These are predominantly low spin in nature
$(C)$ Metal-carbon bond strengthens when the oxidation state of the metal is lowered
$(D)$ The carbonyl $C - O$ bond weakens when the oxidation state of the metal is increased
