Skip to main content
Ch.12 Introduction to Organic Chemistry: Alkanes
McMurry - Fundamentals of General, Organic, and Biological Chemistry 8th Edition
McMurry8th EditionFundamentals of General, Organic, and Biological ChemistryISBN: 9780134015187Non è quello che usi tu?Cambia libro di testo
Tutti i libri di testoMcMurry 8th EditionCh.12 Introduction to Organic Chemistry: AlkanesProblema 46a
Capitolo 12, Problema 46a

Which of the following pairs of structures are identical, which are isomers, and which are unrelated?
a. Chemical structures labeled as CH3CH2CH3 and CH3 with a vertical bond to CH2CH3, questioning their relationship.

Guida verificata passo dopo passo
1
Examine the structures in the image carefully. Look for similarities and differences in the arrangement of atoms, functional groups, and connectivity between the atoms.
Determine if the two structures have the same molecular formula. If they do not, they are unrelated. If they do, proceed to the next step.
Check the connectivity of the atoms in each structure. If the atoms are connected in the same way, the structures are identical. If the connectivity differs, proceed to the next step.
Analyze the spatial arrangement of the atoms (if stereochemistry is shown). If the connectivity is the same but the spatial arrangement differs (e.g., cis/trans isomers or enantiomers), the structures are isomers.
Conclude whether the structures are identical, isomers, or unrelated based on the analysis of molecular formula, connectivity, and spatial arrangement.

Risposta video verificata per un problema simile:

Questa soluzione video è stata consigliata dai nostri tutor come utile per risolvere questo problema.

Concetti chiave

Ecco i concetti essenziali che devi comprendere per rispondere correttamente alla domanda.

Identical Structures

Identical structures refer to molecules that have the same molecular formula and the same arrangement of atoms. These structures are essentially the same in every aspect, including their physical and chemical properties. For example, two molecules of water (H2O) are identical as they have the same composition and structure.
Video consigliato:
Percorso guidato
1:01
Structural Formula Concept 2

Isomers

Isomers are compounds that share the same molecular formula but differ in the arrangement of atoms, leading to different structural or spatial configurations. This can result in variations in physical and chemical properties. For instance, glucose and fructose are isomers, both having the formula C6H12O6 but differing in structure and properties.
Video consigliato:
Percorso guidato
2:16
Isomers Concept 1

Unrelated Structures

Unrelated structures are compounds that do not share the same molecular formula or structural characteristics. These molecules are distinct in their composition and properties, making them fundamentally different. An example would be comparing water (H2O) and carbon dioxide (CO2), which have entirely different formulas and functions.
Video consigliato:
Percorso guidato
1:01
Structural Formula Concept 2
Pratica correlata
Domanda del libro di testo

What is wrong with the following structures?

a. CH3=CHCH2CH2OH

1306
views
Domanda del libro di testo

How many isomers can you write that fit the following descriptions? See Worked Example 12.12 for guidance.

c. Alcohols (―OH) formed from 2-methylhexane

906
views
Domanda del libro di testo

What are the IUPAC names of the following alkanes?

f.

1633
views
Domanda del libro di testo

There are two things wrong with the following structure. What are they?

844
views
Domanda del libro di testo

How many straight-chain isomers can you write that fit the following descriptions? See Worked Example 12.12 for guidance.

b. Amines (―NH2) with a longest chain of 7 carbons

1235
views
Domanda del libro di testo

Write condensed structures for the following molecular formulas. More than one isomer will be required for each.

a. Isomers of C8H18 that contain two methyl groups and a longest chain of 4 carbons

740
views