Textbook Question
Draw a Lewis structure, and classify each of the following compounds:
(e) (CH3CH2)2O
(f) CH3CH2CH2CN
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2. Molecular Representations
Functional Groups
4:28 minutesProblem 25d,e
Textbook Question
Draw a Lewis structure, and classify each of the following compounds. The possible classifications are as follows: alcohol ether ketone aldehyde carboxylic acid alkene
(d) CH3CH2OCHCH2
(e) 
Verified step by step guidance1
Step 1: Begin by identifying the molecular formula for the compound CH3CH2OCHCH2. This compound consists of carbon (C), hydrogen (H), and oxygen (O) atoms.
Step 2: Draw the Lewis structure for the compound. Start by arranging the carbon atoms in a chain, as they typically form the backbone of organic molecules. Connect the carbon atoms with single bonds.
Step 3: Add the oxygen atom to the structure. In this compound, the oxygen atom is bonded to two carbon atoms, forming an ether linkage. Place the oxygen between the two carbon chains.
Step 4: Complete the Lewis structure by adding hydrogen atoms to satisfy the valency of each carbon atom. Each carbon atom should have four bonds, either with other carbon atoms, hydrogen atoms, or the oxygen atom.
Step 5: Classify the compound based on its functional group. The presence of an oxygen atom bonded to two carbon atoms indicates that this compound is an ether. Therefore, classify CH3CH2OCHCH2 as an ether.
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Video duration:
4mKey Concepts
Here are the essential concepts you must grasp in order to answer the question correctly.
Lewis Structure
A Lewis structure is a diagram that represents the valence electrons of atoms within a molecule. It shows how electrons are shared between atoms, indicating bonds and lone pairs. Understanding Lewis structures is crucial for visualizing molecular geometry and predicting reactivity.
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Functional Groups
Functional groups are specific groups of atoms within molecules that are responsible for the characteristic chemical reactions of those molecules. Identifying functional groups such as alcohols, ethers, ketones, aldehydes, carboxylic acids, and alkenes is essential for classifying organic compounds and predicting their behavior.
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Molecular Classification
Molecular classification involves categorizing compounds based on their functional groups and structural features. This classification helps in understanding the properties and reactivity of compounds. For example, ethers contain an oxygen atom bonded to two alkyl groups, while alkenes have carbon-carbon double bonds.
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