Question #16a6f

1 Answer

Answer:

#21#

Explanation:

Let us look at the structure of the acetylsalicylic acid, also called aspirin.

Look at the following image

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Each double bond (shown as #=#) has one sigma bond and one pi bond. Each single bond (shown as #-#) is a sigma bond.

Count the bonds to get #21# sigma and #5# pi bonds.