Correct sequence of CO bond order in given compounds is :(P) Fe(Co)5 (Q) Co (R) H3B ←CO (S) [Mn(Co)5]-
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a
P>R>S>Q
b
S>P>R>Q
c
Q>S>P>R
d
R>Q>P>S
answer is D.
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Detailed Solution
CO bond order ∝1 Extent of back bonding (M→ CO )Correct sequence of CO bond order :H3B (CO bond order >3.0 ) COB.O. =3.0COCO bond order <3.0>Fe(CO)(CO bond order <3.0 )