MD 1. Intro to Carbonyls

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5 Terms

1
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What is the highest priority carbonyl group when naming?

Carboxylic acid

  • priority for carbonyl naming is carboxylic acid, ester, acyl chloride, amide, aldehyde, ketone

  • |So if the compound has a carboxylic acid group and a ketone it would have the -oic acid suffix, with an oxo- prefix for the ketone.

2
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What hybridisation does the carbonyl group have?

SP2 hybridisation - 3 sigma bonds and a pi bond

<p>SP2 hybridisation - 3 sigma bonds and a pi bond </p>
3
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Is the carbonyl a planar group?

yes and it follows a trigonal planar shape with 120 degree angles.

<p>yes and it follows a trigonal planar shape with 120 degree angles. </p>
4
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What are the dipoles and resonance forms of the carbonyl group?

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5
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What is the typical NMR shift for an aldehyde?

  • H NMR - shift at 9-10ppm

  • C13 NMR - shift at 165-205ppm

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