benzene 3 or more substituents Flashcards

1
Q

3 or more substituents Benzene derivatives

A

Name of substituents
position (similar to cycloalkanes)
Name (alphabetical order)

Name of benzene ring

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2
Q

If two substituents, the lowest sequence is based on _____

A

Alphabetical order

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3
Q

If there are three substituents in a benzene ring with no special name, priority is based on _____

A

Lowest sequence

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4
Q

Benzene as an derivative

A

Aryl (Ar) group as substituents

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5
Q

Ar-OH

A

Phenol

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6
Q

when aryl groups act as a substituent

A

Ar

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7
Q

when benzene acts as a substituent it is called

A

phenyl group

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8
Q

when toluene acts as a substituent it is called _____

A

Benzyl group

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9
Q

polycyclic aromatic hydrocarbons examples

A

Napthalene
Anthracene
Tetracene (Napthacene)
Phenanthrene

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10
Q

Huckel’s criteria for aromaticity

A

Have only 2 p orbitals on each of its atoms

Ne planar or nearly planar, so that there is a continuous overlap or nearly continuous overlap of all 2 p orbitals of the ring

Have 2, 6, 10, 14, 18, or so forth pi electrons in the cyclic arrangement of 2 p orbitals (4n+2)

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11
Q

what is the hybridization of carbons in benzene

A

sp2

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12
Q

How many pi electrons does benzene have

A

6

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13
Q

True or false: Pi electrons can be found in single bonds

A

False

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14
Q

heterocyclic aromatic compounds

A

Furan
Pyrrole
Imidazole
Indole
Purine

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