Portage Learning Organic
Chemistry CHEM 219 | Module 5
Exam | Questions & Verified
Answers | A+ Graded | 2025/2026
Edition
Section 1: Introduction
This document includes all the latest versions of the Module 5 Exam for CHEM 219 –
Organic Chemistry from Portage Learning, fully updated for the 2025/2026 academic year. It
covers alcohols, ethers, and epoxides, including synthesis, reactions, and physical properties.
Each version contains 100% verified correct answers, making this A+ graded bundle ideal for
mastering these functional groups.
Section 2: Exam Questions and Answers
Format: Multiple-choice and structural reasoning questions
• Four answer choices per question (A–D)
• Correct answer highlighted
• Includes key explanations for reaction mechanisms and properties
1. What is the functional group in an alcohol?
(a) -OH
(b) -CHO
(c) -COOH
(d) -NH₂
-OH
Explanation: Hydroxyl group attached to carbon.
2. Which compound is a primary alcohol?
(a) (CH₃)₂CHOH
(b) CH₃CH₂OH
(c) (CH₃)₃COH
(d) CH₃OH
CH₃CH₂OH
Explanation: -OH on a primary carbon.
3. What is the product of CH₃CH₂OH with Na?
(a) CH₃CHO
, (b) CH₃CH₂ONa
(c) CH₃CH₃
(d) CH₃COOH
CH₃CH₂ONa
Explanation: Forms alkoxide with hydrogen gas.
4. Which reagent oxidizes a primary alcohol to an aldehyde?
(a) KMnO₄
(b) PCC
(c) H₂CrO₄
(d) NaBH₄
PCC
Explanation: Pyridinium chlorochromate.
5. What is the product of CH₃CH₂OH with H₂SO₄ and heat?
(a) CH₂=CH₂
(b) CH₃CHO
(c) CH₃CH₂OCH₂CH₃
(d) CH₃COOH
CH₂=CH₂
Explanation: Dehydration to alkene.
6. Which compound is an ether?
(a) CH₃CH₂OH
(b) CH₃OCH₃
(c) CH₃CHO
(d) CH₃COOH
CH₃OCH₃
Explanation: R-O-R’ structure.
7. What is the product of CH₃OH with CH₃CH₂OH and H⁺?
(a) CH₃OCH₃
(b) CH₃CH₂OCH₃
(c) CH₃CH₂OH₂⁺
(d) CH₃COOCH₃
CH₃CH₂OCH₃
Explanation: Williamson ether synthesis.
Chemistry CHEM 219 | Module 5
Exam | Questions & Verified
Answers | A+ Graded | 2025/2026
Edition
Section 1: Introduction
This document includes all the latest versions of the Module 5 Exam for CHEM 219 –
Organic Chemistry from Portage Learning, fully updated for the 2025/2026 academic year. It
covers alcohols, ethers, and epoxides, including synthesis, reactions, and physical properties.
Each version contains 100% verified correct answers, making this A+ graded bundle ideal for
mastering these functional groups.
Section 2: Exam Questions and Answers
Format: Multiple-choice and structural reasoning questions
• Four answer choices per question (A–D)
• Correct answer highlighted
• Includes key explanations for reaction mechanisms and properties
1. What is the functional group in an alcohol?
(a) -OH
(b) -CHO
(c) -COOH
(d) -NH₂
-OH
Explanation: Hydroxyl group attached to carbon.
2. Which compound is a primary alcohol?
(a) (CH₃)₂CHOH
(b) CH₃CH₂OH
(c) (CH₃)₃COH
(d) CH₃OH
CH₃CH₂OH
Explanation: -OH on a primary carbon.
3. What is the product of CH₃CH₂OH with Na?
(a) CH₃CHO
, (b) CH₃CH₂ONa
(c) CH₃CH₃
(d) CH₃COOH
CH₃CH₂ONa
Explanation: Forms alkoxide with hydrogen gas.
4. Which reagent oxidizes a primary alcohol to an aldehyde?
(a) KMnO₄
(b) PCC
(c) H₂CrO₄
(d) NaBH₄
PCC
Explanation: Pyridinium chlorochromate.
5. What is the product of CH₃CH₂OH with H₂SO₄ and heat?
(a) CH₂=CH₂
(b) CH₃CHO
(c) CH₃CH₂OCH₂CH₃
(d) CH₃COOH
CH₂=CH₂
Explanation: Dehydration to alkene.
6. Which compound is an ether?
(a) CH₃CH₂OH
(b) CH₃OCH₃
(c) CH₃CHO
(d) CH₃COOH
CH₃OCH₃
Explanation: R-O-R’ structure.
7. What is the product of CH₃OH with CH₃CH₂OH and H⁺?
(a) CH₃OCH₃
(b) CH₃CH₂OCH₃
(c) CH₃CH₂OH₂⁺
(d) CH₃COOCH₃
CH₃CH₂OCH₃
Explanation: Williamson ether synthesis.
