JEE Main Chemistry question

Chemistry Coordination Compounds JEE Main

The bond length of C–O in free carbon monoxide is 1.128 Å. The C–O bond length in is

(A)Correct
(B)
(C)
(D)

Answer: (A)

Solution

Metal-to-CO π-backbonding populates the CO π* orbital, weakening and slightly lengthening the C–O bond relative to free CO.

Question ID VK-155652