Sat March 07, 2015 By: Vineeth K

Draw the different resonance structures of the naphthalene & show how each one show conjugated bond pair for it to be aromatic compound? Is there any way to know by viewing a chemical formula or compound that the molicule is planar?

Expert Reply
Prachi Sawant
Mon March 09, 2015

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Solution for your first query,

Resonance structures of naphthalene are as follows:

Conjugated double bonds in a molecule means alternate single and double bonds.  These enables the electrons to be delocalised over the whole system and so be shared by many atoms.  This means that the delocalised electrons may move around the whole system.

In each resonance structure of naphthalene molecule, we can see that there are alternate single and double bonds that means conjugated bond system.


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