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Questions and Answers
Which type of molecule cannot isomerize to an all-neutral form?
Which type of molecule cannot isomerize to an all-neutral form?
- Molecules with a phosphonium group
- Molecules with a carboxylate group
- Betaines (correct)
- Amino acids
What is a zwitterion in chemistry?
What is a zwitterion in chemistry?
- A molecule containing an equal number of positively and negatively charged functional groups (correct)
- A molecule with a net positive charge
- A molecule with no charged functional groups
- A molecule with a net negative charge
What is the stoichiometry of tautomerism of amino acids?
What is the stoichiometry of tautomerism of amino acids?
- RCH(NH2)CO2H ⇌ RCN(N+H3)CO−2 (correct)
- RCH(NH2)CO2H + RCN(N+H3)CO−2
- RCH(NH2)CO2H → RCN(N+H3)CO−2
- RCH(NH2)CO2H ↔ RCN(N+H3)CO−2
What stabilizes the zwitterion in aqueous solution?
What stabilizes the zwitterion in aqueous solution?
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Which functional group combination prevents isomerization to an all-neutral form?
Which functional group combination prevents isomerization to an all-neutral form?
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What is another name for a zwitterion?
What is another name for a zwitterion?
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Why can betaines not isomerize to an all-neutral form?
Why can betaines not isomerize to an all-neutral form?
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What stabilizes the zwitterion in aqueous solution?
What stabilizes the zwitterion in aqueous solution?
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What stoichiometry describes the tautomerism of amino acids?
What stoichiometry describes the tautomerism of amino acids?
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Which functional group combination prevents isomerization to an all-neutral form?
Which functional group combination prevents isomerization to an all-neutral form?
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