Tuesday
July 29, 2014

Homework Help: chem

Posted by tomi on Wednesday, November 12, 2008 at 4:31pm.

The average bond enthalpy for a C=C double bond is 614kj/mol and that of a C-C single bond is 348kj/mol . Estimate the energy needed to break the pi bond in 2-butene.


CH3 CH3 CH3 H
\ / \ /
C=C ------> C=C
/ \ / \
H H H CH3
Cis-2-butene Trans-2-butene

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