Question 2.47 in the Organic Chemistry Textbook

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Derek_Petrosian_3I
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Joined: Wed Sep 21, 2016 1:57 pm

Question 2.47 in the Organic Chemistry Textbook

Postby Derek_Petrosian_3I » Wed Mar 15, 2017 5:56 pm

The question asks to identify all the functional groups present in a given molecule. The answer key has "alkene" as one of the functional groups.

Are alkenes and alkynes really counted as functional groups?

Christine_Mavilian_3E
Posts: 30
Joined: Fri Jul 22, 2016 2:00 am

Re: Question 2.47 in the Organic Chemistry Textbook

Postby Christine_Mavilian_3E » Wed Mar 15, 2017 6:26 pm

If I am correct, alkenes and alkynes are both considered functional groups in terms of their double and triple bonds . Take for instance the alkene group. It is comprised of two carbon atoms joined together by a double bond. Other attachments around the carbon atoms can involve H or R bonds with the "R" being some type of Carbon chain or alkane fragment. There are two ways to refer to the alkenes. The first way would be to refer to the carbon double bond as an alkene and the second way would be to refer to the whole molecule by saying it contains an alkene functional group. Thus, all molecules containing the alkene would have similar chemical properties.

I hope this helps!


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