Skip to main content
Ch. 12 - Radicals
Bruice - Organic Chemistry 8th Edition
Bruice8th EditionOrganic ChemistryISBN: 9780135213711Non è quello che usi tu?Cambia libro di testo
Capitolo 12, Problema 4g

How many alkyl chlorides are obtained from monochlorination of the following alkanes? Disregard stereoisomers.
g. Structural representation of alkanes showing potential sites for monochlorination to form alkyl chlorides.

Guida verificata passo dopo passo
1
Step 1: Identify the structure of the given alkane. The provided image shows a branched alkane with the molecular formula C8H18. This is 2,3-dimethylpentane.
Step 2: Determine the unique types of hydrogen atoms in the molecule. Hydrogens attached to different carbon environments will lead to different alkyl chlorides upon monochlorination. Analyze the structure to identify primary, secondary, and tertiary hydrogens.
Step 3: Count the unique carbon environments. In 2,3-dimethylpentane, there are five unique carbon environments: (1) the two methyl groups on carbon-2 and carbon-3, (2) the hydrogens on the primary carbons at the ends of the chain, (3) the hydrogens on the secondary carbons (C2 and C3), and (4) the hydrogens on the tertiary carbon (C1).
Step 4: Predict the products of monochlorination. Each unique hydrogen environment will produce a distinct alkyl chloride upon substitution with chlorine. For example, replacing a hydrogen on a primary carbon will yield one type of alkyl chloride, while replacing a hydrogen on a tertiary carbon will yield another.
Step 5: Sum the number of distinct alkyl chlorides. Based on the analysis, count the number of unique products formed from monochlorination, disregarding stereoisomers as instructed.

Risposta video verificata per un problema simile:

Questa soluzione video è stata consigliata dai nostri tutor come utile per risolvere questo problema.
Durata del video:
1m

Concetti chiave

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

Monochlorination

Monochlorination is a chemical reaction where one chlorine atom replaces a hydrogen atom in an alkane. This process typically occurs through a free radical mechanism, involving initiation, propagation, and termination steps. Understanding this concept is crucial for predicting the products formed during the chlorination of alkanes, as it determines the number of unique alkyl chlorides generated.
Video consigliato:
04:37
Draw all of the monochlorination products and calculate percentage yields.

Alkyl Chlorides

Alkyl chlorides, or haloalkanes, are organic compounds derived from alkanes by substituting one or more hydrogen atoms with chlorine atoms. The structure and branching of the original alkane influence the variety of alkyl chlorides produced. Recognizing the different types of alkyl chlorides formed from a given alkane is essential for solving the question regarding the number of products from monochlorination.
Video consigliato:
03:13
Acid Chloride Nomenclature

Stereoisomers

Stereoisomers are compounds that have the same molecular formula and connectivity of atoms but differ in the spatial arrangement of their atoms. In the context of monochlorination, disregarding stereoisomers simplifies the analysis by focusing solely on the unique structural isomers formed. This is important for accurately counting the distinct alkyl chlorides produced from the chlorination process.
Video consigliato:
01:58
Determining when molecules are stereoisomers.