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Chemical Bonding and Molecular Structure question

2003 · Q112
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Chemical Bonding and Molecular Structure question

2003 · Q112

NEETChemistryChemical Bonding and Molecular StructureMCQ+4 / −1
Which one of the following statements is not correct for sigma- and pi- bonds formed between two carbon atoms?
  1. A
    sigma-bond is stronger than a pi-bond.
  2. B
    Bond energies of sigma- and pi-bonds are of the order of 264 kJ/mol and 347 kJ/mol, respectively
  3. C
    Free rotation of atoms about a sigma-bond is allowed but not in case of a pi-bond.
  4. D
    Sigma-bond determines the direction between carbon atoms but a pi-bond has no primary effect in this regard.
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