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Calculate the number of sigma(σ) and pi(π) bonds present in benzene (C6H6).(a) 6 σ and 3 π(b) 3 σ and 6 π(c) 3 σ and 12 π(d) 12 σ and 3 πThe question was posed to me by my school principal while I was bunking the class.The question is from Aromatic Hydrocarbon topic in section Hydrocarbons of Chemistry – Class 11

Answer»

Correct answer is (d) 12 σ and 3 π

The BEST explanation: Sigma bonds are the strongest TYPE of covalent bond, formed by head-on overlapping. In benzene, there are 6(C-C) σ bonds and 6(C-H) σ bonds. Pi bonds are formed by LATERAL overlapping of atomic ORBITALS. There are totally 3(C=C) π bonds.



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