Textbook Question
Draw the condensed structural or line-angle formulas for the products from the hydrolysis of each of the following:
b.
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Ch.14 Carboxylic Acids, Esters, Amines, and Amides
Timberlake14thChemistry: An Introduction to General, Organic, and Biological ChemistryISBN: 9781292472249
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Table of contents
- Ch.1 Chemistry in Our Lives19
- Ch.2 Chemistry and Measurements80
- Ch.3 Matter and Energy53
- Ch.4 Atoms and Elements58
- Ch.5 Nuclear Chemistry42
- Ch.6 Ionic and Molecular Compounds57
- Ch.7 Chemical Quantities and Reactions38
- Ch.8 Gases30
- Ch.9 Solutions50
- Ch.10 Acids and Bases and Equilibrium64
- Ch.11 Introduction to Organic Chemistry: Hydrocarbons77
- Ch.12 Alcohols, Thiols, Ethers, Aldehydes, and Ketones82
- Ch.13 Carbohydrates54
- Ch.14 Carboxylic Acids, Esters, Amines, and Amides91
- Ch.15 Lipids61
- Ch.16 Amino Acids, Proteins, and Enzymes84
- Ch.17 Nucleic Acids and Protein Synthesis86
- Ch.18 Metabolic Pathways and ATP Production73
Timberlake14thChemistry: An Introduction to General, Organic, and Biological ChemistryISBN: 9781292472249Not the one you use?Change textbook
Chapter 14, Problem 79b
Propyl acetate is the ester that gives the odor and smell of pears.
b. Use condensed structural formulas to write the balanced chemical equation for the formation of propyl acetate.
Verified step by step guidance1
Identify the reactants involved in the formation of propyl acetate. Esters are typically formed through a reaction between a carboxylic acid and an alcohol. In this case, the carboxylic acid is acetic acid (CH₃COOH), and the alcohol is propanol (CH₃CH₂CH₂OH).
Write the condensed structural formulas for the reactants: acetic acid (CH₃COOH) and propanol (CH₃CH₂CH₂OH).
Determine the products of the reaction. The esterification reaction produces an ester (propyl acetate, CH₃COOCH₂CH₂CH₃) and water (H₂O).
Write the balanced chemical equation for the reaction using condensed structural formulas: CH₃COOH + CH₃CH₂CH₂OH → CH₃COOCH₂CH₂CH₃ + H₂O.
Verify that the equation is balanced by ensuring the number of atoms of each element is the same on both sides of the equation.
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Key Concepts
Here are the essential concepts you must grasp in order to answer the question correctly.
Esterification
Esterification is a chemical reaction that forms an ester from an alcohol and a carboxylic acid. In this process, the hydroxyl group (-OH) from the acid and a hydrogen atom from the alcohol combine to release water (H2O), resulting in the formation of the ester. This reaction is typically catalyzed by an acid and is reversible, meaning that the ester can be hydrolyzed back into the original alcohol and acid.
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Ester Reactions: Esterification Example 1
Condensed Structural Formula
A condensed structural formula is a way of representing a chemical compound that shows the arrangement of atoms in a molecule without depicting all the bonds explicitly. It provides a simplified view of the molecular structure, indicating how atoms are connected. For example, propyl acetate can be represented as CH3CH2COOCH2CH3, which highlights the functional groups and the carbon chain in a compact format.
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Balanced Chemical Equation
A balanced chemical equation represents a chemical reaction with equal numbers of each type of atom on both sides of the equation. This ensures the law of conservation of mass is upheld, meaning that matter is neither created nor destroyed in a chemical reaction. Balancing involves adjusting coefficients in front of the chemical formulas to achieve this equality, which is essential for accurately depicting the stoichiometry of the reaction.
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Related Practice
Textbook Question
Draw the line-angle formula and write the IUPAC name for each of the following:
a. A carboxylic acid that has the formula C6H12O2, with no substituents
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Textbook Question
Propyl acetate is the ester that gives the odor and smell of pears.
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a. Draw the condensed structural formula for propyl acetate.
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Textbook Question
Propyl acetate is the ester that gives the odor and smell of pears.
d. Use condensed structural formulas to write the balanced chemical equation for the base hydrolysis of propyl acetate with NaOH.
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Textbook Question
Propyl acetate is the ester that gives the odor and smell of pears.
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e. How many milliliters of a 0.208 M NaOH solution is needed to completely hydrolyze (saponify) 1.58 g of propyl acetate?
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Textbook Question
Ethyl octanoate is a flavor component of mangoes.
c. Use condensed structural formula to write the balanced chemical equation for the acid hydrolysis of ethyl octanoate.
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