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Ch.1 - Structure and Bonding
Wade - Organic Chemistry 9th Edition
Wade9th EditionOrganic ChemistryISBN: 9780135213728Not the one you use?Change textbook
Chapter 1, Problem 35b

Draw a complete structural formula and a condensed structural formula for
b. five compounds of formula C3H6O

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1
Identify the possible functional groups that can be formed with the molecular formula C3H6O. These include aldehydes, ketones, and alcohols, as well as ethers and alkenes with an oxygen atom.
For each functional group, determine the possible structures. For example, for an aldehyde, the structure could be propanal, where the carbonyl group is at the end of the carbon chain.
Draw the complete structural formula for each compound. This involves showing all the atoms and the bonds between them. For example, for propanal, draw the carbon chain with the carbonyl group at the end.
Convert each complete structural formula into a condensed structural formula. This involves writing the formula in a linear format, showing the connectivity of the atoms. For example, propanal can be written as CH3CH2CHO.
Repeat the process for other possible isomers, such as acetone (a ketone), prop-2-en-1-ol (an alcohol), and others, ensuring that each structure adheres to the molecular formula C3H6O.

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Key Concepts

Here are the essential concepts you must grasp in order to answer the question correctly.

Structural Isomerism

Structural isomerism occurs when compounds have the same molecular formula but different structural arrangements of atoms. For C3H6O, this means arranging the carbon, hydrogen, and oxygen atoms in different ways to form distinct compounds, such as aldehydes, ketones, or alcohols, each with unique properties.
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Functional Groups

Functional groups are specific groups of atoms within molecules that determine the chemical reactions of those molecules. In C3H6O, the presence of functional groups like carbonyl (C=O) in aldehydes and ketones or hydroxyl (OH) in alcohols is crucial for identifying and drawing different structural isomers.
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Condensed Structural Formula

A condensed structural formula is a way of representing a molecule that shows the arrangement of atoms in a simplified form, omitting some or all of the bonds. For C3H6O, this involves writing the formula in a linear sequence that indicates the connectivity of atoms, such as CH3COCH3 for acetone, while still conveying essential structural information.
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