Proprietatile benzenului confirmate/ infirmate de structura kekule Flashcards

1
Q

Raportul atomic de combinare 1:1 confirma/ infirma

A

confirma

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2
Q

Participarea cu usurinta a benzenului in reactiile de substitutie

A

infirma

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3
Q

Benzenul nu prezinta proprietatile specifice alchenelor

Care sunt acestea?

A
infirma
aditia HX
decolorarea solutiei de Br2/ CCl4
aditia apei
polimerizarea
oxidarea cu agenti oxidanti
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4
Q

Echivalenta celor 6 atomi de H din molecula benzenului

A

confirma

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5
Q

Lungimile legaturilor

A

infirma

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6
Q

Benzenul participa la reactii de aditie, dar in conditii energice

A

confirma

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7
Q

Conform structurii Kekule, benzenul ar trebui sa aiba ….. izomeri disubstituiti. In realitate, benzenul are 3 izomeri disubstituiti

A

5

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8
Q

Energia de formare( entalpia) a benzenului determinata experimental este mai mare decat valoarea determinata teoretic pentru ciclohexatrina , ceea ce justifica stabilitatea.

A

infirma

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