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Polysaccharides and Carboxylic Acids Chemistry

Chemistry

An overview of the structural properties of polysaccharides like chitin and the chemical behavior of carboxylic acids.

biochemistry organic chemistry polymers

15 Questions Medium Ages 16+ Jun 24, 2026

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About this Study Set

This study set covers Chemistry through 15 practice questions. An overview of the structural properties of polysaccharides like chitin and the chemical behavior of carboxylic acids. Every question includes the correct answer so you can learn as you go — pick any format above to get started.

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Browse all 15 questions from the Polysaccharides and Carboxylic Acids Chemistry study set below. Each question shows the correct answer — select a study format above to practice interactively.

1 Why are polysaccharides generally insoluble in water?

A They are too small
B They are densely tangled chains
C They are ionic
D They are hydrophobic gases

2 What type of bond links monomers together in a polysaccharide?

A Ionic bond
B Metallic bond
C Glycosidic bond
D Hydrogen bond

3 Which organisms produce chitin?

A Only plants
B Fungi, arthropods, and nematodes
C Only bacteria
D Reptiles and birds

4 What is the primary function of chitin in arthropods?

A Energy storage
B Scaffold material
C Oxygen transport
D Digestion

5 How are carboxylic acids produced?

A Complete oxidation of primary alcohols or aldehydes
B Reduction of ketones
C Hydration of alkenes
D Neutralization of salts

6 Why do carboxylic acids have higher boiling points than alcohols of similar mass?

A They are non-polar
B They have fewer atoms
C They have multiple sites for hydrogen bonding
D They are ionic solids

7 What happens to the solubility of carboxylic acids as the carbon chain length increases?

A It increases
B It stays the same
C It decreases
D It becomes explosive

8 Why are carboxylic acids considered weak acids?

A They do not contain hydrogen
B They completely dissociate in water
C They only partially ionize in water
D They are actually strong bases

9 What is the anion formed when a carboxylic acid loses a proton?

A Carboxylate anion
B Hydroxyl ion
C Carbonate ion
D Alkoxide ion

10 What is the correct way to name a carboxylate anion derived from ethanoic acid?

A Ethanoide
B Ethanoate
C Ethanyl
D Ethane acidate

11 What is the chemical formula of the hydronium ion?

A H2O
B OH-
C H3O+
D H2O2

12 What functional group makes carboxylic acids acidic?

A Hydroxyl group
B Carboxyl group
C Methyl group
D Amino group

13 Which of the following describes the hydrocarbon chain of a carboxylic acid?

A Hydrophilic
B Non-polar and hydrophobic
C Highly ionic
D Positively charged

14 What percentage of carboxylic acid molecules are typically dissociated in water?

A 100%
B 90%
C Fewer than 5%
D 50%

15 What is the result of reacting a carboxylic acid with a base to form a salt?

A A carboxylate salt
B An ester
C A primary alcohol
D An aldehyde

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