Alcènes Flashcards

1
Q

Un polyène = ?

A

Un alcène avec pls liaisons C=C

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2
Q

alcène : sp, sp2 ou sp3

A

sp2

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3
Q

formule brute ?

A

CnH2n

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4
Q

Quels isomères possibles ?

A

isomères Z ou E

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5
Q

Comment est la molécule ?

A
  • rigide

- plane

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6
Q

Hydrogenation : cis ou trans ?

A

Cis

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7
Q

Dihalogenation : cis ou trans ?

A

Trans

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8
Q

Dihydroxydation : cis ou trans ?

A

Cis

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