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04/01/2022 2:21 pm
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The correct order of increasing C – O bond length of CO, CO2 and CO32- is
(a) CO32- < CO2 < CO
(b) CO2 < CO32- < CO
(c) CO < CO32- < CO2
(d) CO < CO2 < CO32-
1 Answer
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04/01/2022 2:30 pm
Correct answer: (d) CO < CO2 < CO32-
Explanation:
Structures of CO, CO2 and CO32- are
C = O O = C = O
Compound - CO - CO2 - CO3
Bond order - 3 - 2 - 1.33
Bond order ∝ \(\frac{1}{Bond\;length}\)
Hence, the decreasing (C - O) bond length is CO < CO2 < CO32-