The hydrogen indicated by the arrow will be e | vedclass

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Question

(A) The molecule shown is cyclopentadiene. When the hydrogen atom indicated by the arrow is removed as a proton $(H^+)$,the remaining cyclopentadienyl

Vedclass · Accepted Answer

$H^+$

Vedclass · Answer

(A) The molecule shown is cyclopentadiene. When the hydrogen atom indicated by the arrow is removed as a proton $(H^+)$,the remaining cyclopentadienyl anion is formed.This anion has $6\pi$ electrons ($4$ from the two double bonds and $2$ from the lone pair on the carbon atom),which follows $H$ückel's rule ($4n+2$ where $n=1$).Thus,the resulting anion is aromatic and highly stable,making the removal of the proton very easy.

The hydrogen indicated by the arrow will be easily removed as:

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