Concept explainers
(a)
Interpretation: The two isomeric dienes formed by the reaction of
Concept introduction: The substitution reaction involves the replacement of one
(b)
Interpretation: The reason as to why the major product formed in this reaction does not contain the more highly substituted
Concept introduction: Diene is a hydrocarbon that contains two
Conjugated diene consists of two double bonds that are separated by a single bond, whereas isolated diene also consists of two double bond but they are separated by two more carbon atoms.
Want to see the full answer?
Check out a sample textbook solutionChapter 16 Solutions
Package: Loose Leaf for Organic Chemistry with Biological Topics with Connect Access Card
- Write chemical equations when: (i) ethyl chloride is treated with aqueous KOH. (ii) chlorobenzene is treated with CH3COCl in presence of anhydrous AlCl3.arrow_forwardThe addition reaction of an acid (HBr) to an alkene (CH3CH=CH2) follows Markovnikov's rule and involves: A) initial attack by Br– B) initial attack by Br• C) isomerization of CH3CH2CH2Br D) formation of a primary carbocation. E) formation of a secondary carbonation. (F) Formation of allyl carbocationarrow_forward(b) NABH, CH3 COCH,CH3 CH3CH2OH (c)arrow_forward
- What is the expected carbocation structure?arrow_forwardDraw the structures of the following compounds. (a) 1-isobutyl-4-isopropylcyclohexane; (b) tert-butylcyclopentane;(c) 3,3-diisopropyloctanearrow_forward5B In the following reactions, mixtures of alkenes and ethyl ethers are formed. Draw their structures. Explain which is or are likely to be the main product(s) in each reaction. In case of formation of two isomers of alkenes, explain which is formed in greater proportion CH3 CH3 H3C-C H -Br CH3 EtOHarrow_forward
- Compounds A and B are isomers of the molecular formula CyH19Br. Both yield the same alkene Cin an elimination reaction. Hydrogenation of C yields the product 2,3,3,4 tetramethyl pentane. What are the structures of A, B, and C?arrow_forward1) Draw the structures of the following compounds from the a) 5,6,7R-trimethyl-2E,5Z-nonadiene b) 4R-ethyl-3S-methylcyclohexene.arrow_forward2,3-Dibromoprop-1-ene (C3H4Br2) has four H atoms. Suppose that any of these H atoms can be replaced by a Cl atom to yield a molecule with the formula C3H3Br,Cl. (a) Identify two H atoms where this substitution would yield constitutional isomers of C3H3Br,CI; (b) enantiomers of C3H3Br,Cl; (c) diastereomers of C3H3Br,Cl. H нн H Br Br 2,3-Dibromoprop-1-enearrow_forward
- Compounds B and C are hydrocarbons with the structural formulae as shown below. CH, „CH, в (a) Name compounds B and C according to the IUPAC nomenclature. (b) Both B and C can undergo oxidation reaction with the same oxidizing agent. Write chemical equations involved and explain the differences between these two reactions. (c) Name one reaction that converts B to methylcyclohexane.arrow_forward4 But-2-enal, CH₂CH=CHCHO, is a pale yellow, flammable liquid with an irritating odour. (a) But-2-enal exists as two stereoisomers. Draw skeletal formulae to show the structure of the two stereoisomers of but-2-enal. (b) (i) Describe a simple chemical test that would show that but-2-enal is an aldehyde. (ii) Explain why this test gives a different result with aldehydes than it does with keton (c) But-2-enal also reacts with sodium borohydride, NaBH4. (i) Identify the organic compound formed in this reaction. (ii) State the type of chemical reaction occurring. (d) Precautions must be taken to prevent but-2-enal catching fire. Construct a balanced equation for the complete combustion of but-2-enal, C₂HO.arrow_forwardA compound with formula C7H12O is treated with sodium borohydride in methanol to yield 2,2-dimethylcylopentanol. Write a reaction scheme showing the structures of the reactant, the reagents, and the product. Will the product be optically active? Explain.arrow_forward
- ChemistryChemistryISBN:9781305957404Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCostePublisher:Cengage LearningChemistryChemistryISBN:9781259911156Author:Raymond Chang Dr., Jason Overby ProfessorPublisher:McGraw-Hill EducationPrinciples of Instrumental AnalysisChemistryISBN:9781305577213Author:Douglas A. Skoog, F. James Holler, Stanley R. CrouchPublisher:Cengage Learning
- Organic ChemistryChemistryISBN:9780078021558Author:Janice Gorzynski Smith Dr.Publisher:McGraw-Hill EducationChemistry: Principles and ReactionsChemistryISBN:9781305079373Author:William L. Masterton, Cecile N. HurleyPublisher:Cengage LearningElementary Principles of Chemical Processes, Bind...ChemistryISBN:9781118431221Author:Richard M. Felder, Ronald W. Rousseau, Lisa G. BullardPublisher:WILEY