Question 1
Which of the following is an example of an alcohol?
A. CH3COOH
B. CH3CHO
C. CH3OH
D. CH3COCH3
Question 2
Which compound is commonly used as a solvent and has a fruity odour?
A. Ethanoic acid
B. Methanal
C. Ethanol
D. Ethyl ethanoate
Question 3
Which functional group is present in carboxylic acids?
A. -OH
B. -CHO
C. -COOH
D. -CO
Question 4
Which of the following compounds is used in the synthesis of esters?
A. Aldehyde
B. Ketone
C. Alcohol
D. Amine
Question 5
Which compound is responsible for the characteristic smell of vinegar?
A. Methanol
B. Ethanoic acid
C. Ethanol
D. Methanoic acid
Question 6
a) Define the term "ester" and provide an example of an ester molecule. [2]
b) Explain the significance of esters in the synthesis of fragrances. [3]
Question 7
a) Describe the characteristic reactions of alcohols. [3]
b) How do the properties of primary, secondary, and tertiary alcohols differ? [2]
Question 8
a) What is the importance of oxygen-containing compounds in the petrochemical industry? [3]
b) Differentiate between an aldehyde and a ketone, providing an example for each. [2]
Question 9
a) What is the general formula for carboxylic acids? [1]
b) Describe the characteristic reactions of carboxylic acids. [3]
c) Explain the importance of carboxylic acids in the synthesis of other organic compounds. [3]
Question 10
a) Define the term "amide" and provide an example. [2]
b) How do amides differ from amines in terms of structure and reactivity? [3]
c) Describe the significance of amides in the synthesis of polymers. [2]