교과서 질문
Using wedge-and-dash bonds, draw a cis and a trans stereoisomers for each of the following compounds:
(b) 1-bromo-2-ethylcyclopentane
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Ch.4 Introduction to Organic Compounds
Frost4th EditionGeneral, Organic and Biological ChemistryISBN: 9780134988696
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TOC.tableOfContents
- Ch.4 Introduction to Organic Compounds75
- Ch.5 Chemical Reactions19
- Ch.6 Carbohydrates Life's Sweet Molecules62
- Ch.7 States of Matter and Their Attractive Forces8
- Ch.8 Solution Chemistry Sugar and Water Do Mix4
- Ch.10 Proteins Workers of the Cell89
- Ch.11 Nucleic Acids Big Molecules with a Big Role69
- Ch.12 Food as Fuel An Overview of Metabolism65
1장, 문제 64
Draw a condensed structural formula and give the correct IUPAC name for the three alkane structural isomers with the molecular formula C5H12 .
검증된 단계별 안내1
Identify the molecular formula C_5H_12, which indicates an alkane with 5 carbon atoms and 12 hydrogen atoms.
Recognize that alkanes are saturated hydrocarbons with single bonds only, and the general formula for alkanes is C_nH_{2n+2}.
Determine the possible structural isomers by arranging the 5 carbon atoms in different configurations: a straight chain and branched chains.
Draw the condensed structural formulas for each isomer: (1) a straight chain (pentane), (2) a branched chain with a single methyl group (2-methylbutane), and (3) a branched chain with two methyl groups (2,2-dimethylpropane).
Assign the correct IUPAC names to each isomer based on the longest carbon chain and the position of any branches: (1) pentane, (2) 2-methylbutane, and (3) 2,2-dimethylpropane.
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주요 개념
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Alkane Structure
Alkanes are saturated hydrocarbons consisting only of carbon (C) and hydrogen (H) atoms, connected by single bonds. Their general formula is CnH2n+2, where 'n' is the number of carbon atoms. Understanding the structural arrangement of these atoms is crucial for identifying isomers, which are compounds with the same molecular formula but different structural configurations.
추천 영상:
가이드 코스
1:20
Naming Alkanes Example 1
Structural Isomers
Structural isomers are compounds that share the same molecular formula but differ in the connectivity of their atoms. For C5H12, there are three distinct structural isomers: n-pentane, isopentane, and neopentane. Recognizing these variations is essential for drawing their condensed structural formulas and naming them correctly according to IUPAC rules.
추천 영상:
가이드 코스
2:16Isomers Concept 1
IUPAC Nomenclature
The International Union of Pure and Applied Chemistry (IUPAC) provides a systematic method for naming chemical compounds. For alkanes, the naming convention is based on the number of carbon atoms in the longest continuous chain, with prefixes indicating the number of carbons (e.g., 'pent-' for five). Understanding IUPAC nomenclature is vital for accurately naming the structural isomers of C5H12.
추천 영상:
가이드 코스
3:18IUPAC Naming Concept 3
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