(23) Convert these IUPAC formulas into skeletal structures. a. Cyclooctane b. trans-1,3-dimethylcyclohexane c. 3,6-dimethyldecane d. cis-4-octene е. 2-hехyne (24) For the following alkenes and alkynes, translate their IUPAC names into skeletal structures. a. cis-3-hexene b. 3-hеptyne c. trans-2-butene d. 2-methyl-1-propene e. trans-3-ethyl-4-nonene (25) Examine the provided alkynes and determine their IUPAC names. a. b. d. е.

(23) Convert these IUPAC formulas into skeletal structures. a. Cyclooctane b. trans-1,3-dimethylcyclohexane c. 3,6-dimethyldecane d. cis-4-octene е. 2-hехyne (24) For the following alkenes and alkynes, translate their IUPAC names into skeletal structures. a. cis-3-hexene b. 3-hеptyne c. trans-2-butene d. 2-methyl-1-propene e. trans-3-ethyl-4-nonene (25) Examine the provided alkynes and determine their IUPAC names. a. b. d. е.

Chemistry: Matter and Change

1st Edition

ISBN:9780078746376

Author:Dinah Zike, Laurel Dingrando, Nicholas Hainen, Cheryl Wistrom

Publisher:Dinah Zike, Laurel Dingrando, Nicholas Hainen, Cheryl Wistrom

Chapter21: Hydrocarbons

Section: Chapter Questions

Problem 91A

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Distinguish between isomerism and resonance. Distinguish between structural and geometric isomerism. When writing the various structural isomers, the most difficult task is identifying which are different isomers and which are identical to a previously written structurethat is, which are compounds that differ only by the rotation of a carbon single bond. How do you distinguish between structural isomers and those that are identical? Alkenes and cycloalkanes are structural isomers of each other. Give an example of each using C4H8. Another common feature of alkenes and cycloalkanes is that both have restricted rotation about one or more bonds in the compound, so both can exhibit cis- trans isomerism. What is required for an alkene or cycloalkane to exhibit cis-trans isomerism? Explain the difference between cis and trans isomers. Alcohols and ethers are structural isomers of each other, as are aldehydes and ketones. Give an example of each to illustrate. Which functional group in Table 21-4 can be structural isomers of carboxylic acids? What is optical isomerism? What do you look for to determine whether an organic compound exhibits optical isomerism? 1-Bromo-1-chloroethane is optically active whereas 1-bromo-2-chloroethane is not optically active. Explain.
12. Write structural formulas for the following alkene names. a. hept-2-ene b. hex-2-ene 6,7-dimethyloct-1-ene d. 2,4-dimethyloct-4-ene с. 3-ethylnon-2-ene е.
12. Write bond-line structural formulas for (a.) two primary alcohols, (b.) a secondary alcohol, and (c.) a tertiary alcohol-all having the molecular formula CaH100.
PLEASE ANSWER NUMBER 14
NAME AND CLASSIFY MOLECULES ACCORDING TO THEIR FUNCTIONAL GROUP(S)
Draw a structure a. 3,4-dimethylpent-1-yneb.3-methyl-3-ethyl-1-butenec. 3,3-dimethyl-4-decened.1,1-dimethyl-4-ethyl-2,5-cyclohexadienee. 4-ethyl-2,3-dimethyl-2-heptenef. 1-chlorocyclopropeneg. 2,6-dimethyl-2,5-octadieneh. 1-cyclobutyl-3-methyl-1-butynei. 5-bromo-2-chlorotoluene
8. What is the IUPAC name of CHCH, CH, CH3-CH-O-CH, CH; Da. 1-ethoxy-1-methylbutane Ob. 2-ethoxypentane O c. 1-methoxyhexane Od. 2-ethoxy-2-n-propylethane
What are the structure of these hydrocarbon derivatives? (No skeletal/line diagrams)
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How many tertiary alkyl halides have the formula C4H9Br?A.) 1B.) 2C.) 3D.) 4 Which of the following alkane will give the MOST number of monohalogenated products (not counting stereoisomers)?A.) hexaneB.) 3-methylpentaneC.) 2,3-dimethylbutaneD.) 2-methylheptane
Q1. Name each of the following structures by the IUPAC system? B. W C. Q2. Write the structural formula for the following? A. 1,4-dichloro-2-pentene B. 2-bromo-1,3-pentadiene C. vinyl cyclohexane Q3. Which of the following compounds can exist as cis- trans isomers? Draw their structures? A.. pentene B. 2-methyl-2-pentene Q3. Writ an equitation for the A. Reaction for bromine at room temperature 1. Propene B. The acid catalyzed addition of water to 1. 3-hexene Q4. For the addition of HBr to 3-methyl-1-butene, two products were observed. Show the reaction mechanism to explain the formation of both products. HBr - 3-methyl-1-butene major minor
Determine whether cis-trans isomerism is probable for the following cycloalkanes. If it is possible, draw structural formulas for the cis and trans isomers. a. 1-ethyl-1-methylcyclopentane b. ethylcyclohexane c. 1,4-diethylcyclohexane d. 1,1-dimethylcyclooctane e. methylcycloheptane