Alcani Flashcards

(14 cards)

1
Q

Hibridizare

A

sp³

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2
Q

Geometrie

A

tetraedrică

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3
Q

Formulă generală

A

CnH2n+2

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4
Q

unghiul dintre 2 valențe

A

109°28’

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5
Q

Lungime leg C-C

A

1,54 Å

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6
Q

Lungime leg C-H

A

1,094 Å

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7
Q

P.f și P.t

A
  • d.p cu creștere nr de at de C din mol.
  • i.p cu ramificarea catenei
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8
Q

densitate

A

d.p cu creștere nr de at de C din mol. (dar to inf. apei)

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9
Q

Miros

A
  • alcanii inf. sunt inodori
  • alcanii sup. au miros caracteristic
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10
Q

Reactivitate

A

scăzută (se mai numesc parafine)

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11
Q

Stări de agregare

A

C1-C4 + neopentan GAZE
C5-C17 LICHID
C18+ SOLID

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12
Q
A
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13
Q
A
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14
Q
A
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