Seven alkynes have the formula C6H10. Draw them using line structures.

Ch.13 Alkenes, Alkynes, and Aromatic Compounds

McMurry - Fundamentals of General, Organic, and Biological Chemistry 8th Edition

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McMurry 8th Edition

Ch.13 Alkenes, Alkynes, and Aromatic Compounds

Problema 40

Capitolo 13, Problema 40

Seven alkynes have the formula C₆H₁₀. Draw them using line structures.

Guida verificata passo dopo passo

Step 1: Understand the molecular formula C₆H₁₀. This formula represents an alkyne, which is a hydrocarbon containing a triple bond. The general formula for alkynes is CₙH₂ₙ₋₂, confirming that C₆H₁₀ is an alkyne.

Step 2: Begin by drawing the simplest structure, a straight-chain alkyne (1-hexyne). Place the triple bond between the first and second carbon atoms in the chain.

Step 3: Create positional isomers by moving the triple bond along the chain. For example, draw 2-hexyne (triple bond between the second and third carbons) and 3-hexyne (triple bond between the third and fourth carbons).

Step 4: Consider branching to create structural isomers. For instance, draw 3-methyl-1-pentyne (a methyl group attached to the third carbon of a five-carbon chain with a triple bond at the first position). Repeat this process for other possible branching configurations.

Step 5: Verify that each structure adheres to the molecular formula C₆H₁₀ and contains one triple bond. Ensure no duplicate structures are included and confirm that all seven unique alkynes are represented.

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Alkynes

Alkynes are a class of hydrocarbons characterized by at least one carbon-carbon triple bond. They follow the general formula CnH2n-2, where 'n' is the number of carbon atoms. In the case of C6H10, the presence of a triple bond indicates that the structure will have fewer hydrogen atoms compared to alkanes or alkenes.

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Percorso guidato

4:11

Naming Alkynes Example 1

Line Structures

Line structures, or skeletal structures, are a simplified way of representing organic molecules. In these diagrams, carbon atoms are represented by the ends and intersections of lines, while hydrogen atoms are often omitted for clarity. This method allows chemists to visualize the connectivity and geometry of the molecule without cluttering the diagram with every atom.

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01:59

Resonance Structures (Simplified) Concept 1

Isomerism

Isomerism refers to the existence of compounds with the same molecular formula but different structural arrangements. For C6H10, the seven alkynes can be represented as different isomers, including variations in the position of the triple bond and the arrangement of carbon chains. Understanding isomerism is crucial for drawing all possible structures accurately.

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Percorso guidato

1:26

Glycolysis Concept 5

Pratica correlata

Domanda del libro di testo

When ethylbenzene is reacted with nitric acid, three possible benzenes containing both a nitro group and an ethyl group are obtained. Draw and name them.

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Domanda del libro di testo

Draw structures corresponding to the following IUPAC names:

a. trans-2-Pentene

b. trans-3,4-Dimethyl-3-hexene

c. 2-Methyl-1,3-butadiene

d. trans-3-Heptene

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Domanda del libro di testo

Write structural formulas for compounds that meet the following descriptions:

b. An alkene with a chemical formula of C₁₀H₁₂, that has cis–trans isomers and contains a benzene ring.