Homework Problem 3.95

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Michelle_Nguyen_3F
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Joined: Wed Sep 21, 2016 2:59 pm

Homework Problem 3.95

Postby Michelle_Nguyen_3F » Fri Oct 21, 2016 5:26 pm

Hello! The question reads "Draw resonance structures for the trimethylenemethane anion C(CH2)32- in which a central carbon atom is attached to three CH2 groups (CH2 groups are referred to as methylene).

Thank you!

104733470
Posts: 9
Joined: Wed Sep 21, 2016 3:00 pm

Re: Homework Problem 3.95

Postby 104733470 » Fri Oct 21, 2016 7:45 pm

I think that there is a centralized carbon attached to three CH2's by double bonds.

DBaquero
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Re: Homework Problem 3.95

Postby DBaquero » Thu Oct 27, 2016 2:56 pm

So basically you have the centralized carbon atom attached to the three methylene groups. Two of the methylene groups are attached to the central carbon with a single C---C bond and have a lone electron pair on the carbon. The third methylene group is attached with a double C==C bond and there are no lone pairs. The resonance structures just switch up which methylene group has the double bond.


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