Question
For a molecule with n stereocenters, what is the maximum number of stereoisomers?
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Answer
Up to 2n.
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Question
London dispersion
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Answer
Universal IMF from instantaneous-induced dipoles; clue: weakest and increases with size/mass.
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Question
Why can't a C−H bond serve as a hydrogen-bond donor?
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Answer
Carbon is not electronegative enough.
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Question
Dimethyl ether vs. ethanol: why can one hydrogen-bond to itself but the other cannot?
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Answer
Ethanol has an O−H donor; dimethyl ether has O but no O−H.
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