The correct order of C-O bond length among CO , CO _3^ 2- , CO _2 is :

NEET 2007 Chemistry question

The correct order of C-O bond length among , , is :

(1)Correct
(2)
(3)
(4)

Answer: (1)

Solution

Bond length decreases as bond order increases. In CO the bond order is 3 (CO, about 113 pm); in each C=O has bond order 2 (about 116 pm); in resonance

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Question ID VK-089855