The tail of the curved arrow must start at ____ electron density and the head must end at ____ electron density.
A) low, high
B) high, high
C) low, low
D) high, low

Question

Quizplus · Accepted Answer

The tail of the curved arrow starts at a point of high electron density (such as a lone pair or a bond) and points towards a point of low electron density where the electrons are moving to. This convention is used to indicate the flow of electrons in mechanisms.

The Tail of the Curved Arrow Must Start at ____