Discuss the formation of covalent bonds in molecules of
ii. Ethylene
Answers
Answer:
How many covalent bonds are there in a molecule of ethene?
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25 Answers

Alistair Garratt, former Looking for Work
Answered March 20, 2017
Originally Answered: How many covalent bonds are there in a molecule of ethene ?
In ethene, C2H4, three of the four electrons in the outer shell (2s2, 2p2) of each of the carbon atoms (1s2, 2s2,2p2) are sp2 hybridized, which results in one remaining outer 2p-orbital electron. The three sp2-hybridized electrons of each C-atom form three planar sigma-covalent bonds. Per ethene molecule, four of these sp2-hybridized orbitals (six in total as we have two C-atoms) form covalent sigma-bonds with the 1s electron of each hydrogen atom (4 H-atoms for two C-atoms) while the two remaining sp2 orbitals form a sigma bond connecting the two C-atoms.
Explanation:
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Answer:
In ethylene (ethene), the two carbon atoms form a sigma bond by overlapping two sp2 orbitals; each carbon atom forms two covalent bonds with hydrogen by s–sp2 overlapping all with 120° angles. The pi bond between the carbon atoms forms by a 2p-2p overlap
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