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Aldehydes and Ketone Organic Reactions

Aldehydes and Ketone Organic Reactions. By: Kosta Kafes and Emily Tang. Types of Reactions. Oxidation and Reduction (redox) Both reactions occur simultaneously . Oxidation. A reaction in which a carbon atom forms more bonds to oxygen and fewer bonds to hydrogen Loss of electrons.

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Aldehydes and Ketone Organic Reactions

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  1. Aldehydes and Ketone Organic Reactions By: Kosta Kafes and Emily Tang

  2. Types of Reactions • Oxidation and Reduction (redox) • Both reactions occur simultaneously

  3. Oxidation • A reaction in which a carbon atom forms more bonds to oxygen and fewer bonds to hydrogen • Loss of electrons

  4. Reduction • A reaction in which a carbon atom forms more bonds to hydrogen and fewer bonds to oxygen • Gain of electrons

  5. Combustion • Example of a “redox” reaction • Gives off heat and energy • Good examples of redox reactions where one molecule gains oxygen (is oxidized) and one molecule gains hydrogen (is reduced) • Ex. C7H12 + 11O27CO2 + 8H2OHeptane + oxygen Carbon dioxide + water

  6. Examples

  7. Practical or Industrial Use • Smelting Ore • Rusting • Cleaning Products • Electroplating (thin layer of a material) • Compact Disks

  8. Environmental Impact • Burning of hydrocarbons leaves excess amounts of CO2 and CO in atmosphere • Redox reaction is connected with the functioning of natural environmenti.e. photosynthesis and cellular respiration

  9. Summary • A chemical reaction in which the oxidation number of a molecule, atom, or ion changes by gaining or losing an electron • Oxidation: the gaining of bonds to oxygen, loss of electrons • Reduction: the gaining of bonds to hydrogen, gain of electrons • Combustion is one of the most common examples of redox reactions

  10. Quiz Time! • 1. What type of reactions are involved in aldehyde and ketone organic reactions? • 2. Which reactant involves carbon atoms forming more bonds to oxygen or fewer to hydrogen? • 3. Which reactant involves carbon atoms forming more bonds to hydrogen or fewer to oxygen? • 4. True or False, is it possible to oxidize a ketone? • 5. Is it a primary, secondary or tertiary alcohol that oxidizes to an aldehyde? • 6. What is the most commonly used redox reaction?

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