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According to V.B.T. a covalent bond is formed by the overlapping of half filled atomic orbitals with electron spinning in the opposite direction. The strength of a bond depends on extent of overlapping. Double bond energy is not twice that of single bond energy because a double bond is made up of a weak a bond and strong o bond.More energy is required to break the bond between the carbon atoms in

Answer» <html><body><p>`c_2 H_6 `<br/>`C_2 H_4`<br/>`C_6 H_6`<br/>`C_2 H_2`</p><a href="https://interviewquestions.tuteehub.com/tag/answer-15557" style="font-weight:bold;" target="_blank" title="Click to know more about ANSWER">ANSWER</a> :D</body></html>


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