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Questions and Answers
What is the general formula of a dicarboxylic acid?
Which of the following is NOT a use of dicarboxylic acids?
What is a property of dicarboxylic acids compared to monocarboxylic acids?
Which dicarboxylic acid is used in the production of polyesters and alkyd resins?
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What is a biological importance of dicarboxylic acids?
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Which of the following is a example of a dicarboxylic acid?
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What is a use of dicarboxylic acids in the pharmaceutical industry?
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Why are dicarboxylic acids more soluble in water than monocarboxylic acids?
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What is a disease implicated with dicarboxylic acids?
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Study Notes
Definition and Structure
- A dicarboxylic acid is a carboxylic acid that contains two carboxyl (-COOH) groups.
- General formula: HOOC-R-COOH, where R is a hydrocarbon chain.
Examples
- Oxalic acid (C2H2O4): the simplest dicarboxylic acid, found in plants and vegetables.
- Malonic acid (C3H4O4): used in the production of polyesters and alkyd resins.
- Succinic acid (C4H6O4): found in living organisms, used in the production of pharmaceuticals and biodegradable plastics.
- Glutaric acid (C5H8O4): used in the production of polyesters and polyamides.
Properties
- Dicarboxylic acids are generally more soluble in water than monocarboxylic acids.
- They have higher melting and boiling points than monocarboxylic acids due to the presence of two carboxyl groups.
- They can form complexes with metal ions, which is useful in various industrial applications.
Uses
- In the production of polymers, such as polyesters and polyamides.
- As a food additive, antioxidant, and preservative.
- In the pharmaceutical industry, as a raw material for the synthesis of certain drugs.
- In the production of biodegradable plastics and detergents.
Biological Importance
- Dicarboxylic acids play a crucial role in various metabolic pathways, such as the citric acid cycle.
- They are involved in the synthesis of amino acids, fatty acids, and cholesterol.
- They have been implicated in various diseases, such as diabetes, cancer, and neurodegenerative disorders.
Definition and Structure
- A dicarboxylic acid is a carboxylic acid that contains two carboxyl (-COOH) groups.
- The general formula of a dicarboxylic acid is HOOC-R-COOH, where R is a hydrocarbon chain.
Examples of Dicarboxylic Acids
- Oxalic acid (C2H2O4) is the simplest dicarboxylic acid, found in plants and vegetables.
- Malonic acid (C3H4O4) is used in the production of polyesters and alkyd resins.
- Succinic acid (C4H6O4) is found in living organisms and is used in the production of pharmaceuticals and biodegradable plastics.
- Glutaric acid (C5H8O4) is used in the production of polyesters and polyamides.
Properties of Dicarboxylic Acids
- Dicarboxylic acids are more soluble in water than monocarboxylic acids.
- They have higher melting and boiling points than monocarboxylic acids due to the presence of two carboxyl groups.
- They can form complexes with metal ions, which is useful in various industrial applications.
Uses of Dicarboxylic Acids
- They are used in the production of polymers, such as polyesters and polyamides.
- They are used as a food additive, antioxidant, and preservative.
- They are used in the pharmaceutical industry as a raw material for the synthesis of certain drugs.
- They are used in the production of biodegradable plastics and detergents.
Biological Importance of Dicarboxylic Acids
- They play a crucial role in various metabolic pathways, such as the citric acid cycle.
- They are involved in the synthesis of amino acids, fatty acids, and cholesterol.
- They have been implicated in various diseases, such as diabetes, cancer, and neurodegenerative disorders.
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Description
Dicarboxylic acids are a type of carboxylic acid that contains two carboxyl groups. Learn about their general formula, examples, and uses in various industries.
