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SS2: CHEMISTRY - 3RD TERM

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  1. Hydrogen and its Compounds | Week 1
    7 Topics
    |
    1 Quiz
  2. Oxygen and its Compounds | Week 2
    7 Topics
    |
    1 Quiz
  3. Halogens, Chlorine and its Compounds | Week 3
    7 Topics
    |
    1 Quiz
  4. Hydrogen Chloride and Hydrochloric Acid | Week 4
    5 Topics
    |
    1 Quiz
  5. Nitrogen and Its Compounds | Week 5
    9 Topics
    |
    1 Quiz
  6. Ammonia | Week 6
    9 Topics
    |
    1 Quiz
  7. Sulphur and its Compounds | Week 7
    13 Topics
    |
    1 Quiz
  8. Hydrocarbons | Week 8
    12 Topics
    |
    1 Quiz
  9. Alkanols | Week 9
    4 Topics
    |
    1 Quiz
Lesson 9, Topic 1
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Alkanols (Classification)

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Topic Content:

  • Classification of Alkanols
    • Based on the Position of the Functional Group – OH
    • Based on the Number of the – OH Present in a Molecule

Alkanols belong to a group of organic (carbon) compounds known as alcohols. Alkanols are a homologous series in which one or more hydrogen atoms of an alkane have been replaced by one or more hydroxyl (OH) groups. The general molecular formula of alkanols is CnH2n+1OH also ROH where R is CnH2n+1 (n=1, 2, 3…). The functional group of the alkanols homologous series is the hydroxyl, OH group.

Classification of Alkanols:

Based on the Position of the Functional Group – OH:

Aliphatic alcohols are classified as primary, secondary and tertiary.

Primary Alkanols have the general molecular formula R-OH where R is alkyl. 

 

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