Practice Physical Properties (8.8) - Aldehydes, Ketones and Carboxylic Acids

Practise this section

8 questions

Flashcard drill
2 cards from this section. Quick, good the night before a test.
Exercise
6 questions · about 4 min · pass mark 70%. Hints available.
Sign up to start the exercise
Quiz
2 questions · about 1 min · pass mark 70%. Hints available.
Sign up to start the quiz

6 sample questions

Question 1.
What is a carboxylic acid?
Show hintHide hint
Look at the functional group definition.
Question 2.
Explain why lower carboxylic acids have strong odours.
Show hintHide hint
Consider the physical properties of volatility.
3Question 3.
What is the main reason carboxylic acids have higher boiling points than aldehydes?
- Van der Waals forces
- Hydrogen bonding
- Dipole-dipole interactions
Show hintHide hint
Think about the intermolecular forces present.
4Question 4.
True or False: Larger carboxylic acids have stronger smells than smaller ones.
- True
- False
Show hintHide hint
Review volatility concepts.
Question 5.
Discuss how the physical properties of carboxylic acids can influence their roles in food chemistry.
Show hintHide hint
Think about specific examples of carboxylic acids in food.
Question 6.
Predict how the increase in the chain length of a carboxylic acid to ten or more carbon atoms will affect its boiling point and physical interactions.
Show hintHide hint
Consider both boiling point trends and solubility factors.

4 more questions in this section. Enroll free to practise them all.