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Q.

The bond length of C = O bond in CO is 1.20 Ao and in CO2 it is 1.34Ao. Then C = O bond length in CO32 will be

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a

1.29 Ao

b

1.34 Ao

c

0.95 Ao

d

1.50 Ao

answer is C.

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Detailed Solution

  • In CO32, due to resonance, C = O bond length is in between triple and double bond, i.e. in between 1.2 and 1.34. 
  • Thus, answer is 1.29 Ao.
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