Textbook Question
Draw the condensed structure of the compounds formed by condensation reactions between
a. benzoic acid and ethanol
Name the compound in each case.
Ch.24 - The Chemistry of Life: Organic and Biological Chemistry
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Brown 15th EditionCh.24 - The Chemistry of Life: Organic and Biological ChemistryProblem 46b
Brown 15th EditionCh.24 - The Chemistry of Life: Organic and Biological ChemistryProblem 46bChapter 24, Problem 46b
Draw the condensed structure of the compounds formed by condensation reactions between
b. benzoic acid and 2-propanol
Name the compound in each case.
Verified step by step guidance1
Identify the functional groups in the reactants: Benzoic acid contains a carboxylic acid group (-COOH) and 2-propanol contains an alcohol group (-OH).
Understand the type of reaction: A condensation reaction between a carboxylic acid and an alcohol typically forms an ester and water.
Write the reaction: The -OH group of the carboxylic acid (benzoic acid) reacts with the -H of the alcohol group (2-propanol) to form water (H2O), and the remaining parts of the molecules form the ester linkage.
Draw the structure of the ester: Connect the carbonyl carbon of benzoic acid to the oxygen of 2-propanol, forming an ester linkage (-COO-). The structure will be benzoate ester of 2-propanol.
Name the ester compound: The ester formed is called isopropyl benzoate, derived from the names of the alcohol (isopropyl from 2-propanol) and the acid (benzoate from benzoic acid).
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Key Concepts
Here are the essential concepts you must grasp in order to answer the question correctly.
Condensation Reactions
Condensation reactions are chemical processes where two molecules combine to form a larger molecule, typically with the loss of a small molecule such as water. In organic chemistry, these reactions often involve functional groups like alcohols and carboxylic acids, leading to the formation of esters or amides. Understanding this concept is crucial for predicting the products formed when benzoic acid reacts with 2-propanol.
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Condensed Formula
Functional Groups
Functional groups are specific groups of atoms within molecules that are responsible for the characteristic chemical reactions of those molecules. In this case, benzoic acid contains a carboxylic acid group (-COOH), while 2-propanol has a hydroxyl group (-OH). Recognizing these functional groups helps in identifying how they will interact during the condensation reaction to form the final product.
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Condensed Structural Formula
A condensed structural formula is a way of representing a chemical compound that shows the arrangement of atoms and the connectivity between them without depicting all the bonds explicitly. This notation simplifies the visualization of molecular structure, making it easier to understand the composition of the product formed from the reaction between benzoic acid and 2-propanol, which results in an ester.
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Related Practice
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Draw the condensed structure of the compounds formed by condensation reactions between
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Name the compound in each case.
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