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Further chemistry > Classification of Organic Compounds: Functional Groups (Homologous Series) > Flashcards

Classification of Organic Compounds: Functional Groups (Homologous Series) Flashcards

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1
Q

what are heteroatoms ?

A

functional groups that contain atms other than carbon and oxygen

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1
Q

what are heteroatoms ?

A

functional groups that contain atms other than carbon and oxygen

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2
Q

most common heteroatoms

A
  1. oxygen
  2. nitrogen
  3. sulfur
  4. the halogens.
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3
Q

wha are hydrocarbons ?

A

organic compounds are based the series of carbon and hydrogen molecules

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3
Q

wha are hydrocarbons ?

A

organic compounds are based the series of carbon and hydrogen molecules

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4
Q

what compunds are referred to as saturated ?

A

alkanes
contains maximum number of hydrogen per carbon

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5
Q

which compunds are referred to as unsaturateed?

A
  1. alkenes,
  2. alkynes and
  3. aromatic compounds
    contain multiple carbon bonding
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5
Q

which compunds are referred to as unsaturateed?

A
  1. alkenes,
  2. alkynes and
  3. aromatic compounds
    contain multiple carbon bonding
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6
Q

How many bonds do alkanes have ?

A

1

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7
Q

how many bods do alkenes have ?

A

2

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8
Q

how many bonds do aklynes have ?

A

3

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9
Q

what is aromacity ?

A

Delocalization of electrons

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10
Q

what are Aromatic hydrocarbons/arenes?

A

aromatic organic compounds containing solely carbon and hydrogen atoms

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10
Q

what are Aromatic hydrocarbons/arenes?

A

aromatic organic compounds containing solely carbon and hydrogen atoms

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11
Q

what properties do functional groups determine ?

A
  1. Bonding and shape
  2. Chemical reactions
  3. Physical properties ( e.g. m.p. B.p.)
  4. Type of strength of intermolecular forces
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12
Q

What are homologus series ?

A
  • a series of closely related organic coumpounds
  • compounds in an homologous series have the same functional group
13
Q

what are Chlorofluorocarbons ?

A
  • destroy the earth’s protectiveozonelayer(shields the earth from harmful ultraviolet (UV-B) rays)
13
Q

what are Chlorofluorocarbons ?

A
  • destroy the earth’s protectiveozonelayer(shields the earth from harmful ultraviolet (UV-B) rays)
14
Q

what are the 2 types of hydrocarbons ?

A
  1. Aliphatic
  2. Aromatic
15
Q

what are the 2 types of hydrocarbons ?

A
  1. Aliphatic
  2. Aromatic
16
Q

Ignition test for Aromaticity

A

Combustion of aromatic compounds provides a yellow sooty flame.

17
Q

Bromine test for Unsaturation

A

They decolourise bromine water.

18
Q

Permanganate test for Unsaturation (Baeyer Test)

A

Aqueous permanganate rapidly oxidises double and triple bonds whilst being reduced to MnO2, a brown precipitate.

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