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Chapter 23: Q4p (page 1072)

How many conjugated double bonds are there in

a. FAD?

b. FADH2

Short Answer

Expert verified

Pyrrole is a much stronger acid than ammonia because of resonance.

Step by step solution

01

Conjugate bonds

Conjugated bonds mean presence of alternated single and double bonds. These bonds take part in resonance too.

02

Conjugate bonds in FAD

From the below given structure it can be seen that seven conjugate bonds are present as all the double bonds are alternate to single bond.

FAD structure

03

Conjugate bonds in

As it can be seen here only five conjugate bonds are present. Three in left ring, and two in right ring. The bond CO present between two NH is not alternate to one single bond instead has two single bonds before it so is not a conjugate bond.

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