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Hydrocarbons and Homologous series

Hydrocarbons
Topic 6. Organic Chemistry 
19 January 2024
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Hydrocarbons
Topic 6. Organic Chemistry 
19 January 2024

Slide 1 - Diapositive

  • Displayed Formulae
  • General Formulae
  • Structural Formulae
Recap

Slide 2 - Diapositive

  • Watch What is a Hydrocarbon? What are Alkanes? in advance.
Guide Questions:
1. What is Organic Chemistry?
2. What is a hydrocarbon?
3. Give one example of a hydrocarbon.
4. Why is butane a hydrocarbon but not butanol?
5. What is an alkane?
6. Given 4 examples of alkanes.
7. What is a saturated hydrocarbon?
8. What is an unsaturated hydrocarbon?
Flipped Activity

Slide 3 - Diapositive

  • the chief source of organic compounds (mixture of hydrocarbons)
Petroleum

Slide 4 - Diapositive

Hydrocarbons
  • organic compounds that contain carbon and hydrogen only

Slide 5 - Diapositive

What do you notice about the hydrocarbon section of the molecule below?

Slide 6 - Diapositive

Types of Hydrocarbons according to bond number
  • Saturated hydrocarbons
  • Unsaturated hydrocarbons

Slide 7 - Diapositive

Which do you think is a saturated hydrocarbon?

Slide 8 - Diapositive

  • All carbon-carbon covalent bonds are SINGLE bonds.
Saturated Hydrocarbons

Slide 9 - Diapositive

  • contain at least one carbon-carbon DOUBLE bond
Unsaturated Hydrocarbons

Slide 10 - Diapositive

  • contain at least one carbon-carbon TRIPLE bond
Unsaturated Hydrocarbons

Slide 11 - Diapositive

Comparison: Saturated vs Unsaturated

Slide 12 - Diapositive

How would you know that a compound is saturated or unsaturated?

Slide 13 - Diapositive

How would you know that a compound is saturated or unsaturated?

Slide 14 - Diapositive

Chemical Test for Unsaturation
Positive Results

Slide 15 - Diapositive

Chemical Test for Unsaturation

Slide 16 - Diapositive

Hydrocarbons
Topic 6. Organic Chemistry 
19 January 2024

Slide 17 - Diapositive

'Families' of Hydrocarbons
  • Alkanes = all carbon-carbon single bonds
  • Alkenes = at least one carbon-carbon double bond
  • Alkynes = at least one carbon-carbon triple bond

Slide 18 - Diapositive

'Families' of Hydrocarbons

Slide 19 - Diapositive

'Families' of Hydrocarbons

Slide 20 - Diapositive

'Families' of Hydrocarbons

Slide 21 - Diapositive

'Families' of Hydrocarbons

Slide 22 - Diapositive

Homologous series
Topic 6. Organic Chemistry 
19 January 2024

Slide 23 - Diapositive

  • a family of organic compounds with similar chemical properties due to the presence of the same functional group
Homologous series

Slide 24 - Diapositive

Functional group
  • the atom, or group of atoms that gives the series its particular characteristic properties

Slide 25 - Diapositive

Alkanol / Alcohols

Slide 26 - Diapositive

Alkanoic acid / Carboxylic acid

Slide 27 - Diapositive

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