????????? Alkanes - PowerPoint PPT Presentation

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????????? Alkanes

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Title: ????????? Alkanes


1
????????? Alkanes
2
????? ?????? ?? ??? ?????? ??
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3
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4
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5
????? ?????? ???????? ????? ??????? ??
???? ????? ??? ?????? ???????? ???????? ??
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CH2
CH4
C2H6
6
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  • ????????? ?? ??????????? ????? ??? ?????
    ?????? ??? ??? ?????? .

7
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H
H
C
C
H
H
H
H
?????? ???? ????????? ?????? ??
8
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  • ????? ??? ??????? ? ?????????? ???
  • ????? ?????? ??? ???? ???????C-C
  • ?? ??? ????? ???? ????? ?????? ????? .

9
?????? ??? ?????
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10
Alkanes CnH2n2
?????? ???????? ?????
CH4 ?????
C2H6 ?????
C3H8 ??????
C4H10 ??????
C5H12 ?????
C6H14 ?????
C7H16 ?????
C8H18 ??????
C9H20 ?????
C10H22 ?????
11
????? ?????????
????? ?????
  • H H
  • ? ?
  • H ? C ? H H C H
  • ? ?
  • H H

CH4 , ?????
12
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  • H H ????? ????
  • H C C H CH3 CH3
  • H H ?????
  • H H H
  • H C C C H CH3 CH2 CH3
  • H H H ??????

13
IUPAC Names
  • ????? carbons ?????? ????????
  • Methane 1 CH4
  • Ethane 2 CH3CH3
  • Propane 3 CH3CH2CH3
  • Butane 4 CH3CH2CH2CH3
  • Pentane 5 CH3CH2CH2CH2CH3

14
(No Transcript)
15
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  • 1-???? ?????? ???????? ??????? ??????? ??????
  • H H H H
  • H C C C C H
  • H H H H
  • 2- ???? ?????? ???????? ??????? ????? ??
  • 3- ???? ??? ??? ??????? ??

16
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  • 1- CH3CH2CH2CH3
  • 2- C4H10
  • 3- butane

17
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18
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19
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