Work Sheet 1, structure 11.
The species shown is a carbocation. In its resonance hybrid, over how many atoms is the positive charge shared (atoms carrying delta+) ?

Question

Work Sheet 1, structure 11. The species shown is a carbocation. In its resonance hybrid, over how many atoms is the positive charge shared (atoms carrying delta+) ?

TestHub · Accepted Answer

The cation is benzylic : cation carbon, two ortho carbons and the para carbon (which carries the vinyl group). The para carbon is next to the vinyl C=C, so the charge reaches the vinyl CH₂ as well : 1 + 2 + 1 + 1 = 5.

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