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## Q. 2.6

Using Curved arrows to Show electron Flow

Using curved arrows, show how acetaldehyde, $CH _{3} CHO$, can act as a Lewis base.

S t r a t e g y
A Lewis base donates an electron pair to a Lewis acid. We therefore need to locate the electron lone pairs on acetaldehyde and use a curved arrow to show the movement of a pair toward the H atom of the acid.