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What is arrow from N to O in Nitrobenze Resonance Structure

HbWhi5F
in Homework Help

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3 minutes ago, HbWhi5F said:

  1. Also why there is +ve charge on II ?

image.png

The arrow is a dative or coordinate bond.https://en.wikipedia.org/wiki/Coordinate_covalent_bond

Resonance structures, which we have talked about before, show the contributing bonding arrangements. The real bonding is a blend of all of them.

You can see that several of these show charge separation, whereby the electronegative oxygen atoms can withdraw electron density from the ring, leaving it with a partial +ve charge in the ortho and para positions. For this reason, the nitro group is said to be "electron withdrawing" and "meta directing" when it comes to the classic electrophilic reactions of the aromatic ring.

23 minutes ago, HbWhi5F said:

@exchemist thanks alot you are my guru

Heh heh. I just hope it is useful and that you can understand my explanations.

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