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AIPMT 2003 Physics and Chemistry Paper

Question : 54

Total: 100

Sigma-bond is stronger than a pi-bond
Bond energies of sigma- and pi-bonds are of the order of 264‌KJ∕mol and 347‌KJ∕mol, respectively
Free rotation of atoms about a sigma bond is allowed but not in case of a pi-bond
Sigma-bond determines the direction between carbon atoms but a pi-bond has no primary effect in this regard

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