How would you name the following compounds?

Ans:

  • (i) 1-Bromoethane (Ethyl bromide)Structure: CH3CH2Br
  • (ii) Methanal (Formaldehyde)Structure: H2-C=O
  • (iii) Hex-1-yne: Structure:H-C≡C-CH2CH2CH2CH3

MCQs Based on the above question

Question 1:
What is the IUPAC name of the compound with the structure CH3CH2Br?
A. Bromoethane
B. 1-Bromoethane
C. Ethyl bromide
D. All of the above

Answer: D. All of the above


Question 2: What is the common name for the compound Methanal?
A. Acetaldehyde
B. Formaldehyde
C. Acetone
D. Methane

Answer: Formaldehyde


Question 3: Which of the following represents the structure of Hex-1-yne?
A. H-C≡C-CH3
B. H-C≡C-CH2CH2CH2CH3
C. CH3CH2C≡CCH3
D. H-C≡C-CH2CH2CH3

Answer: B. H-C≡C-CH2CH2CH2CH3


Question 4: Which of the following is a correct IUPAC name for a compound containing a triple bond?
A. Hexane
B. Hex-1-yne
C. Hex-2-ene
D. Hexane-1-yne

Answer: B. Hex-1-yne