which-resonance-structure-contributes-most-to-the-stability-of-the-intermediate-

Question

Which resonance structure contributes most to the stability of the intermediate during EAS at carbon 2 in furan?

Accepted Answer

The structure with a positive charge on oxygen.

Answer

The structure with double bonds in the ring.

Answer

The structure with a negative charge on carbon 2.

Answer

The structure with a positive charge on carbon 3.