physique organique Flashcards

1
Q

gaz noble

A
  • couche externe saturée
  • possède 8 électrons de valence
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2
Q

H
|
H — C — H
|
H

A

structure tétraédrique

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3
Q

……..__
H — O|
|………..
|………..
H……….

A

structure coudée

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4
Q

__
H — N — H
|
H

A

structure pyramidale

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5
Q

__ ………….__
O == C == O
— ………….—

A

structure linéaire

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6
Q

H ………….
….\ ……..__
.…..C == O
…../ …….—
H …………..

A

structure plane et triangulaire

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7
Q

liaison polaire :

A

plus grand que 0,4

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8
Q

liaison apolaire :

A

plus petit que 0,4

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9
Q

atome le plus électronégatif :

A

δ -

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10
Q

atome le moins électronégatif

A

δ +

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11
Q

G + = G -

A

molécule apolaire

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12
Q

G + =/ G -

A

molécule polaire

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13
Q

solide ionique

A

empilement régulier d’anions et de cations

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14
Q

solide moléculaire

A

empilement régulier de molécules

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15
Q

un pont d’hydrogène s’établit entre un atome d’hydrogène H + et….

A

l’azote N, O et F

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16
Q

les ponts d’hydrogène se font sur des solides…

A

moléculaire

17
Q

dissolution d’un solide moléculaire apolaire, très soluble avec un solvant…

A

apolaire

18
Q

dissolution d’un solide moléculaire polaire, très soluble avec un solvant…

A

polaire

19
Q

dissolution d’un solide moléculaire polaire, très soluble avec un solvant…

A

polaire