Concept explainers
(a)
Interpretation:
The five isomeric structures of alkene
Concept introduction:
(b)
Interpretation:
The number of alkenes that on catalytic hydrogenation gives cyclopentane and its structures is to be stated.
Concept introduction:
Alkenes are the unsaturated class of organic compounds which have a double bond in their structure. The general formula of alkene which is written as
Want to see the full answer?
Check out a sample textbook solutionChapter 4 Solutions
Organic Chemistry Study Guide and Solutions
- Write structural formulas for compounds that meet the following descriptions:(a) An alkene, C6H12, that cannot have cis–trans isomersand whose longest chain is 5 carbons long(b) An alkene with a chemical formula of C10H12 that hascis–trans isomers and contains a benzene ring.arrow_forwardCompounds 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_forward(a) Alkenes are relatively stable compounds but are more reactive than alkanes and serve as a feedstock for the petrochemical industry because they can participate in a wide variety of reactions. Predict the products obtained from following reaction. Write the chemical reaction and name the products according to IUPAC system. (i) the reaction of 3-ethyl-3-methyl-1-pentene with hydrogen bromide (ii) the reaction of 3-ethyl-2-pentene with hydrogen bromidearrow_forward
- This question is about the chemistry of alkenes, which are unsaturated hydrocarbons. (a) State what is meant by the term unsaturated as applied to a hydrocarbon. (1) (b) An organic compound, X, is an unsaturated hydrocarbon with molecular formula CH₂. (i) Draw the displayed formulae and give the names of two molecules with molecular formula C₂H, which are E/Z isomers. (3) Isomer 1 Isomer 2 Name: Name:arrow_forward6. Dacron is the brand name for the polymer that is made from ethane-1,2-diol and benzene-1,4-dicarboxylic acid. (a) When the two monomers combine, what type of reaction do they undergo and what molecule is eliminated? [1] (b) What is the name for the linkages that join the monomers together? [1] (c) Draw the monomers and the polymer of the reaction to create Dacron. [3]arrow_forward(1) Write a complete chemical equation showing reactants, products, and catalysts needed (if any) for the following reaction and (2) Draw and name the organic compound found in every reaction. (a) Complete hydrogenation of 2-Methylhexa-1,5-diene (b) Complete halogenation (Br2) of 3-Ethyl-2,2-dimethylhept-3-ene (c) Reaction of (4E)-2.4-Dimethylhexa-1,4-diene with a mole of water (d) Reaction of cis-3,3-Dimethyl-4-propylocta-1,5-diene with two mole of HBr (e) Reaction of trans-1-Bromo-3-chlorocyclopentane with potassium hydroxide (f) Formation of Gilman reagent using isopropyl bromide (g) Ozonolysis of 3,3-Dimethyloct-4-yne (h) Complete halogenation (Cl2) of 3-Ethyl-5-methyl-1,6,8-decatriyne (i) Partial hydrogenation using Lindlar's Catalyst 2,2,5,5-Tetramethylhex-3-yne (i) Reaction of 3.4-Dimethylcyclodecyne with sodium amidearrow_forward
- (a) What structural feature is associated with each type of hy-drocarbon: an alkane; a cycloalkane; an alkene; an alkyne? (b) Give the general formula for each type .(c) Which hydrocarbons are considered saturated?arrow_forwardAnswer true or false. (a) Alkenes and alkynes are nonpolar molecules. (b) The physical properties of alkenes are similar to those of alkanes of the same carbon skeletons. (c) Alkenes that are liquid at room temperature are insoluble in water and when added to water, will float on water.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
- Chlorination of 2-butanone yields two isomeric products, each having the molecular formula C4H7ClO. (a) What are these two compounds? (b) Write structural formulas for the enol intermediates that lead to each of these compounds. (c) Using curved arrows, show the flow of electrons in the reaction of each of the enols with Cl2.arrow_forwardAll about Alkene, Alkyne and Alkyl halides(1) Write a complete chemical equation showing reactants, products, and catalysts needed (if any) for the following reaction and (2) Draw and name the organic compound found in every reaction. (A) Reaction of cis-3,3-Dimethyl-4-propylocta-1,5-diene with two mole of HBr(B) Reaction of trans-1-Bromo-3-chlorocyclopentane with potassium hydroxide(C) Formation of Gilman reagent using isopropyl bromidearrow_forward(1) Predict the outcome of the addition of HBr to (a) trans-2-pentene, (b) 2-methyl-2-butene, and (c) 4-methylcyclohexene. How many isomers can be formed in each case?arrow_forward
- Chemistry: The Molecular ScienceChemistryISBN:9781285199047Author:John W. Moore, Conrad L. StanitskiPublisher:Cengage Learning