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The IUPAC name for the compound shown is CH₂-CH CH3-CH,C-NH-CH3 NH CHO O N-methylpropionamide ON-methylpropanamide O 1-methylpropanamide O2-butanamide

The IUPAC name for the compound shown is CH₂-CH CH3-CH,C-NH-CH3 NH CHO O N-methylpropionamide ON-methylpropanamide O 1-methylpropanamide O2-butanamide

Chemistry
Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
Section: Chapter Questions
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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**Chemical Nomenclature Quiz** **Question:** The IUPAC name for the compound shown is _______. ![Chemical Structure](CH3-CH2-C=O-NH-CH3) **Options:** - \( \bigcirc \) *N*-methylpropionamide - \( \bigcirc \) *N*-methylpropanamide - \( \bigcirc \) 1-methylpropanamide - \( \bigcirc \) 2-butanamide **Details of the Chemical Structure:** The structure given in the question consists of the following components: - A three-carbon chain with a carbonyl group (O=C) at the second position. - An amide group (NH) attached to the carbonyl carbon. - A methyl group (CH3) attached to the nitrogen of the amide group. To choose the correct IUPAC name for this compound, it's important to identify the parent structure, which is "propanamide" because it contains three carbons and ends with an amide group. The methyl group attached to the nitrogen is indicated by the prefix *N-*. Therefore, the correct answer is *N*-methylpropanamide.
Transcribed Image Text:**Chemical Nomenclature Quiz** **Question:** The IUPAC name for the compound shown is _______. ![Chemical Structure](CH3-CH2-C=O-NH-CH3) **Options:** - \( \bigcirc \) *N*-methylpropionamide - \( \bigcirc \) *N*-methylpropanamide - \( \bigcirc \) 1-methylpropanamide - \( \bigcirc \) 2-butanamide **Details of the Chemical Structure:** The structure given in the question consists of the following components: - A three-carbon chain with a carbonyl group (O=C) at the second position. - An amide group (NH) attached to the carbonyl carbon. - A methyl group (CH3) attached to the nitrogen of the amide group. To choose the correct IUPAC name for this compound, it's important to identify the parent structure, which is "propanamide" because it contains three carbons and ends with an amide group. The methyl group attached to the nitrogen is indicated by the prefix *N-*. Therefore, the correct answer is *N*-methylpropanamide.
### Question 5 **Which of the following is the structure of 2-ethylbenzamide?** *The question is followed by four multiple-choice options, each depicting a different chemical structure.* The four options are: 1. **Option A:** - Benzene ring substituent: **C(=O)-NH₂** (amide group at position 1) - Benzene ring substituent: **C₂H₅** (ethyl group at position 2) 2. **Option B:** - Benzene ring substituent: **C(=O)-NH-CH₂CH₃** (amide group with an ethyl substituent at position 1) - Benzene ring substituent: **-H** (hydrogen at position 2) 3. **Option C:** - Benzene ring substituent: **C(=O)-NH₂** (amide group at position 1) - Benzene ring substituent: **C₂H₅** (ethyl group at position 3) 4. **Option D:** - Benzene ring substituent: **C(=O)-NH-CH=CH₂** (amide group with a vinyl substituent at position 1) - Benzene ring substituent: **C₂H₅** (ethyl group at position 2) **Explanation:** - In this context, the correct structure of 2-ethylbenzamide (with an ethyl group attached to the second carbon of the benzene ring and an amide group directly attached to the benzene ring) should be identified. To correctly solve this question, identify the benzene ring's substitution pattern whereby the amide group (NH₂) is bonded directly to the ring, and the ethyl group (C₂H₅) is bonded to the second position relative to the amide group.
Transcribed Image Text:### Question 5 **Which of the following is the structure of 2-ethylbenzamide?** *The question is followed by four multiple-choice options, each depicting a different chemical structure.* The four options are: 1. **Option A:** - Benzene ring substituent: **C(=O)-NH₂** (amide group at position 1) - Benzene ring substituent: **C₂H₅** (ethyl group at position 2) 2. **Option B:** - Benzene ring substituent: **C(=O)-NH-CH₂CH₃** (amide group with an ethyl substituent at position 1) - Benzene ring substituent: **-H** (hydrogen at position 2) 3. **Option C:** - Benzene ring substituent: **C(=O)-NH₂** (amide group at position 1) - Benzene ring substituent: **C₂H₅** (ethyl group at position 3) 4. **Option D:** - Benzene ring substituent: **C(=O)-NH-CH=CH₂** (amide group with a vinyl substituent at position 1) - Benzene ring substituent: **C₂H₅** (ethyl group at position 2) **Explanation:** - In this context, the correct structure of 2-ethylbenzamide (with an ethyl group attached to the second carbon of the benzene ring and an amide group directly attached to the benzene ring) should be identified. To correctly solve this question, identify the benzene ring's substitution pattern whereby the amide group (NH₂) is bonded directly to the ring, and the ethyl group (C₂H₅) is bonded to the second position relative to the amide group.
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