Correct sequence of CO bond order in given compounds is :<br>(P) Fe(CO)5<br>(Q) CO<br>(R) H3B <- CO< — Coordination Compounds Chemistry Question
Question
Correct sequence of CO bond order in given compounds is :<br>(P) Fe(CO)5<br>(Q) CO<br>(R) H3B <- CO<br>(S) [Mn(CO)5]-
Answer: B
💡 Solution & Explanation
CO bond order $\propto$ 1 / Extent of back bonding (M $\rightarrow$ CO). Correct sequence of CO bond order : H3B $\leftarrow$ CO > CO > Fe(CO)5 > [Mn(CO)5]-
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