Module 4 Problem Set_ Principles of Organic Chemistry with Lab-2021-Gallaher

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12/14/23, 8:43 PM Module 4 Problem Set: Principles of Organic Chemistry with Lab-2021-Gallaher https://portagelearning.instructure.com/courses/1430/quizzes/35810?module_item_id=151520 1/13 Module 4 Problem Set Due No due date Points 10 Questions 13 Time Limit None Attempt History Attempt Time Score LATEST Attempt 1 16,103 minutes 10 out of 10 Score for this quiz: 10 out of 10 Submitted Nov 2 at 1:31am This attempt took 16,103 minutes. 0 / 0 pts Question 1 Your Answer: Explain the difference between alkyl and aryl halides. Alkyl: Alkyl halides are aliphatic hydrocarbons that possess one or more halogen atom substituents. Aryl: Aryl halides are aromatic hydrocarbons (benzene rings) with one or more halogen atoms attached to the ring. Answer: Alkyl halides are aliphatic hydrocarbons that possess one or more halogen atom substituents. Aryl halides are aromatic hydrocarbons (benzene rings) with one or more halogen atoms attached to the ring.
12/14/23, 8:43 PM Module 4 Problem Set: Principles of Organic Chemistry with Lab-2021-Gallaher https://portagelearning.instructure.com/courses/1430/quizzes/35810?module_item_id=151520 2/13 0 / 0 pts Question 2 Your Answer: On a piece of paper, write a structure corresponding to each of the following and then generate the IUPAC name for each. a. A primary alkyl chloride with MF C H Cl b. A secondary alkyl iodide with MF C H I c. A tertiary alkyl bromide with MF C H Br 3 7 4 9 5 11 A. 1-chloropropane B. 2-iodobutane C. 2-bromo-2-methylbutane 0 / 0 pts Question 3 Name each of the following using the IUPAC systematic nomenclature methodology. Include stereochemical designations of cis or trans where appropriate.
12/14/23, 8:43 PM Module 4 Problem Set: Principles of Organic Chemistry with Lab-2021-Gallaher https://portagelearning.instructure.com/courses/1430/quizzes/35810?module_item_id=151520 3/13 A. trans-1-chloro-2-methy Correct! Correct! B. 4-bromo-1,2-dichlorohe Correct! Correct! C. 2-fluoro-3-methylbutan Correct! Correct! D. 1,3-dichlorobenzene Correct! Correct! E. 2-iodo-2-methyloctane Correct! Correct! 0 / 0 pts Question 4 Classify each alkyl halide as primary, secondary, or tertiary:
12/14/23, 8:43 PM Module 4 Problem Set: Principles of Organic Chemistry with Lab-2021-Gallaher https://portagelearning.instructure.com/courses/1430/quizzes/35810?module_item_id=151520 4/13 Your Answer: A. secondary B. tertiary C. secondary D. primary Answer: A. Secondary B. Tertiary C. Secondary D. Primary 0 / 0 pts Question 5 Your Answer: Define the terms nucleophile , substrate , and leaving group . The substrate is the molecule on which the substitution occurs. A leaving group is an atom (or group of atoms) that is replaced by another when the substitution occurs A nucleophile is a chemical species that seeks positive charge (nucleo = nucleus/positive charge, phile = love).
12/14/23, 8:43 PM Module 4 Problem Set: Principles of Organic Chemistry with Lab-2021-Gallaher https://portagelearning.instructure.com/courses/1430/quizzes/35810?module_item_id=151520 5/13 Answer: The substrate is the molecule on which the substitution occurs. A leaving group is an atom (or group of atoms) that is replaced by another when the substitution occurs. A nucleophile is a chemical species that seeks positive charge (nucleo = nucleus/positive charge, phile = love). 0 / 0 pts Question 6 Your Answer: Explain why nucleophiles attack the carbon that bears the halogen atom during a nucleophilic substitution reaction of an alkyl halide. The oxygen molecule has a + charge, which the nucleophiles love. Answer: The polarization of the carbon-halogen bond in an alkyl halide makes the carbon electron-deficient and, as a result, gives it a slight positive charge (as well as a slight negative charge on the halogen correspondingly). The nucleophile (positive- charge lover) is thus attracted to the electron-deficient carbon.
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