Comprehensive Organic Chemistry Test Bank with MCQs | CHEM 231, CHEM 241, CHEM 351

ORGANIC CHEMISTRY

Ultimate Guide to Passing Chemistry

,Test Bank: Organic Chemistry

Question 1:

Which of the following is the most stable conformation of cyclohexane? A) Chair
B) Boat
C) Twist-Boat
D) Planar

Answer: A) Chair
Learning Objective: Understand the conformational isomerism of cyclohexane and
recognize the most stable conformation.




Question 2:

What is the IUPAC name of the compound with the structure CH₃CH₂CH(OH)CH₃?
A) 2-Butanol
B) 1-Butanol
C) 3-Butanol
D) 2-Methylpropanol

Answer: A) 2-Butanol
Learning Objective: Apply IUPAC nomenclature rules to name alcohols.




Question 3:

What type of reaction is the conversion of ethene to ethane?
A) Oxidation
B) Reduction
C) Substitution
D) Elimination

, Answer: B) Reduction
Learning Objective: Classify reactions based on the addition or removal of hydrogen
and the loss or gain of electrons.




Question 4:

Which reagent is best for the hydration of an alkene to form an alcohol?
A) H₂/Pt
B) H₂O/H⁺
C) O₃/Zn
D) PCC

Answer: B) H₂O/H⁺
Learning Objective: Identify reagents used in the hydration of alkenes to form
alcohols.




Question 5:

What is the hybridization of the central carbon atom in acetylene (C₂H₂)?
A) sp³
B) sp²
C) sp
D) sp³d

Answer: C) sp
Learning Objective: Predict the hybridization of carbon atoms in molecules based on
their bonding and geometry.




Question 6: