Isomers. Isomers: * Molecules that have the same number and kinds of atoms (molecular formula) but different structure. C C C C C C C Butane (n-butane)

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Presentation transcript:

Isomers

Isomers: * Molecules that have the same number and kinds of atoms (molecular formula) but different structure. C C C C C C C Butane (n-butane) 2-methylpropane Same as C – C – C – C

Isomers: The compound with the continuous carbon chain is called the normal compound (n-)

Isomers: *Isomers may also be caused by the position of functional group or the position of a double or triple bond. 1. Functional Group: 1-propanol 2-propanol

Isomers: 2. Double Bond: 1-butene 2-butene C = C – C – C C – C = C – C

Isomers: 3. Triple Bond: 1-butyne 2-butyne C C – C – C C – C

Isomers: 4. Compounds with 2 double bonds are called “dienes”: 1,3-butadiene C = C – C = C

Isomers: 5. Aldehyde vs. Ketone: Aldehyde (-CHO) C – C – C C – C – C O propanal Ketone (-CO-) O 2-propanone

Complete Classifying Organic Compounds by Functional Group Worksheet 1. H H H | | | H – C – C – C – H | | | H OH H 2. H H OH | | | H – C – C – C = O | | H H 3. H H H | | | H – C – O – C – C – H | | | H H H 4. H | H – C – OH | H 5. H | H – C = O 6. OH | H – C = O 7. H H O | | || H – C – C – O – C – H | | H H 8. H O H | || | H – C – C – C – H | | H H 9. H | H H – C – H | | H – C –-––- C – OH | | H H – C – H | H 10. H O | || H – C – C – H | H Classifying Organic Compounds by Functional Group Classify each of the following organic compounds as one of the following: alcohol, aldehyde, ketone, ether, carbonic acid, ester.