Correct sequence of CO bond order in given compounds is : (P) (Q) CO (R) (S)

CHEMISTRY · Single correct · A Level · Chemistry · Transition metals and their chemistry · Transition metals and their chemistry

Problem

Correct sequence of CO bond order in given compounds is : (P)

\text{Fe}(\text{CO})_5

(Q) CO (R)

\text{H}_3\text{B} \leftarrow \text{CO}

(S)

[\text{Mn}(\text{CO})_5]^-

(1)

P > R > S > Q

(2)

S > P > R > Q

(3)

Q > S > P > R

(4)

R > Q > P > S