Conformational Isomers -Multiple Choice Questions Quiz

Interactive MCQs on “Conformational Isomers”:

Solve the following 10 questions. Only one option is correct. Click on the “Submit” button when done. Click on the “embed” button to use this quiz on your website. Click on “WhatsApp” to share this quiz.

Question 1: Which of the following best describes conformational isomers?

(a) Molecules with different functional groups
(b) Molecules with the same molecular formula but different arrangements of atoms in space
(c) Molecules with the same molecular formula but different numbers of atoms
(d) Molecules with the same molecular formula and the same arrangement of atoms in space

Question 2: Which of the following is not a type of conformational isomer?

(a) Eclipsed conformation
(b) Staggered conformation
(c) Cis-trans isomer
(d) None of the above

Question 3: Which of the following is true about the potential energy of a molecule in its various conformations?

(a) The potential energy of a molecule is always lowest in its most stable conformation
(b) The potential energy of a molecule is always highest in its most stable conformation
(c) The potential energy of a molecule can vary depending on its conformation
(d) The potential energy of a molecule is not affected by its conformation

Question 4: Which of the following is an example of a conformational isomer of ethane?

(a) Propane
(b) Butane
(c) Isobutane
(d) None of the above

Question 5: Which of the following is an example of a conformational isomer of cyclohexane?

(a) Chair conformation
(b) Boat conformation
(c) Twist-boat conformation
(d) All of the above

Question 6: Which of the following statements is true about conformational isomers?

(a) They have the same physical and chemical properties
(b) They have different physical and chemical properties
(c) They have the same potential energy
(d) They have different molecular formulas

Question 7: Which of the following is an example of a conformational isomer of butane?

(a) Isobutane
(b) Cyclobutane
(c) 2-methylpropane
(d) 1-butene

Question 8: Which of the following factors affect the stability of a conformational isomer?

(a) Van der Waals interactions
(b) Electrostatic repulsion
(c) Steric hindrance
(d) All of the above

Question 9: Which of the following is an example of a conformational isomer of hexane?

(a) Chair conformation
(b) Zigzag conformation
(c) Trans conformation
(d) None of the above

Question 10: Which of the following is an example of a conformational isomer of ethylene (C2H4)?

(a) Eclipsed conformation
(b) Staggered conformation
(c) Cis-trans isomer
(d) None of the above