10th Class Chemistry Chapter 11 Test11. Carboxylic Compounds

Q1. Multiple choice questions (Attempt all · 10 × 1 = 10)

1. Which of the following is an example of a carboxylic acid?
   1. Ethanol
   2. Ethanoic acid
   3. Ethyl acetate
   4. Methanol
2. The oxidizing agents used to convert alcohols to carboxylic acids are:
   1. HCl and H₂SO₄
   2. KMnO₄ and K₂Cr₂O₇
   3. NaOH and CaO
   4. HNO₃ and NaCl
3. What is the product of the reaction between ethanoic acid and sodium carbonate?
   1. Sodium propanoate
   2. Sodium hydroxide
   3. Sodium chloride
   4. Sodium acetate
4. Sodium salts of fatty acids are mainly used in:
   1. Fertilizers
   2. Detergents and soaps
   3. Perfumes
   4. Toothpaste
5. Citric acid is used as a:
   1. Solvent
   2. Flavoring agent
   3. Preservative in drinks and food
   4. Fertilizer
6. Which catalyst is used in the esterification reaction between a carboxylic acid and an alcohol?
   1. Potassium manganate (VII)
   2. Sulfuric acid
   3. Sodium hydroxide
   4. Hydrochloride acid
7. The fruity smell of esters makes them useful as:
   1. Fuels
   2. Flavouring agents
   3. Disinfectants
   4. Fertilizers
8. Ascorbic acid is also known as:
   1. Vitamin B
   2. Vitamin A
   3. Vitamin C
   4. Vitamin D
9. The functional group present in carboxylic acids is:
   1. –OH
   2. –COOH
   3. –CHO
   4. –C=O
10. Esters are generally:
    1. Sweet-smelling compounds
    2. Bitter in taste
    3. Odorless compounds
    4. Salty in nature