The carbon-carbon bond distance in benzene:
Correct answer: D. 1.39oA
- A. 1.54oA
- B. 1.34oA
- C. 1.2oA
- D. 1.39oA
Explanation
C−C bond length in benzene is 1.39 ˚A.The bond length C-C ( single bond as in ethane ) is 1.54 Å and C=C ( double bond as in ethene is 1.33Å. The carbonate carbon bond length in benzene has been found to be 1.39Å which lies between single and double bond length value.
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About Benzene and Aromatic Compounds
Benzene has a planar ring of delocalised π electrons, giving aromatic stability and equal carbon-carbon bond lengths. The topic covers resonance, electrophilic substitution reactions such as nitration, halogenation, sulphonation and Friedel-Crafts reactions, along with substituent effects and the distinction between substitution in benzene and addition in ordinary alkenes.
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