Sapling #20

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Sapling #20

Postby Rose_Malki_3G » Sun Nov 15, 2020 11:01 pm

In #20 of the sapling assignment it asks you to choose which intermolecular forces of attraction are present between CH3CHO molecule. I was wondering why hydrogen bonding cannot be present here by connecting the oxygen atom to one of the hydrogen atoms?

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Re: Sapling #20

Postby SophiaJenny3I » Sun Nov 15, 2020 11:05 pm

Hi! So when you draw out the CH3CHO molecule you see that the hydrogen doesn't actually bond to the oxygen, only carbon. The oxygen bonds to a carbon. Therefore, there isn't a O-H bond present, so hydrogen bonding is not a factor.

Fernanda Olvera 3D
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Re: Sapling #20

Postby Fernanda Olvera 3D » Sun Nov 15, 2020 11:10 pm

Hello Rose, I agree with Sophia, to my understanding it was because the Aldehydes have a "polar carbonyl group" and no O-H bond.

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