Carboxylic acids

Written by Dr. Ayesha Nadeem (Chemistry)

Class 12 · Chemistry · 8 questions

Name: ____________________ Date: ____________

Ethanoic acid is the main acid in:
- A Milk
- B Vinegar
- C Lemon juice
- D Tea
Carboxylic acids react with sodium carbonate to release:
- A Ammonia
- B Carbon dioxide
- C Hydrogen
- D Oxygen
Reaction of an acid with an alcohol gives an ester and:
- A Hydrogen
- B Oxygen
- C Carbon dioxide
- D Water
Esters are often responsible for:
- A Fruity smells
- B Colours of metals
- C Bitter taste
- D Salty taste
Soap is made by the alkaline hydrolysis of fats, called:
- A Saponification
- B Hydrogenation
- C Fermentation
- D Esterification
The functional group of an ester is:
- A -CO-
- B -COO-
- C -OH
- D -CHO
Methanoic acid is found in:
- A Vinegar
- B Ant stings
- C Tea
- D Milk
Carboxylic acids have higher boiling points than alcohols of similar size because of:
- A Ionic bonds
- B Stronger hydrogen bonding and dimer formation
- C Higher density
- D Lower mass

Answer key

1. B, 2. B, 3. D, 4. A, 5. A, 6. B, 7. B, 8. B