What is the formula of cinnamic acid and how many isomers does this molecule have?

1 Answer
Dec 29, 2017

Answer:

#C_6H_5CHCHCOOH#

see below

Explanation:

trans- and cis- isomers
upload.wikimedia.org

From now on I will change only the #C_6H_5# molecule part.
And we get 5 more isomers.

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NOTE:mistake #-># on the last example, the H atom on the second C-atom from the right is missing.