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  Section: Introduction to Botany » Chemistry
 
 
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Organic Acids

 
     
 
Content
Chemistry
  Empirical and Structural Formulas
  Alcohols
  Organic Acids
  Amino Acids
  Polymers
  Proteins
  Carbohydrates
  Lipids

If the terminal carbon atom of such a series bonds with an oxygen atom and an −OH group, as shown in figure 4-8, an organic acid is created. The group −COOH is called a carboxyl group (figure 4-9). Note that in all cases the carbon atom always has four bonds, the hydrogen atom always one bond, and the oxygen atom always two bonds.
A dehydrogenation reaction causing the linkage of ethane and propane to produce pentane.
Figure 4-10 A dehydrogenation reaction causing the linkage
of ethane and propane to produce pentane.

Structural formulas for formic acid, acetic acid, and propionic acid.
Figure 4-9 Structural formulas for formic
acid, acetic acid, and propionic acid.









Two organic compounds of this type can react together to form a longer chain, as shown in figure 4-10. Because hydrogen is removed to create these compounds, this is referred to as a dehydrogenation reaction.

 
     
 
 
     



     
 
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