Organic Chemistry
8th Edition
ISBN: 9781305580350
Author: William H. Brown, Brent L. Iverson, Eric Anslyn, Christopher S. Foote
Publisher: Cengage Learning
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Chapter 2, Problem 2.61P
Following are structural formulas for 1,4-dioxane and piperidine. 1,4-Dioxane is a widely used solvent for organic compounds. Piperidine is found in small amounts in black pepper (Piper nigrum).
- (a) Complete the Lewis structure of each compound by showing all unshared electron pairs.
- (b) Predict bond angles about each carbon, oxygen, and nitrogen atom.
- (c) Describe the most stable conformation of each ring and compare these conformations with the chair conformation of cyclohexane.
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Cyclopropane (C3H6, a three-membered ring) is more reactive than most other cycloalkanes.(a) Draw a Lewis structure for cyclopropane.(b) Compare the bond angles of the carbon atoms in cyclopropane with those in an acyclic (noncyclic) alkane.(c) Suggest why cyclopropane is so reactive.
Indicate whether each statement is true or false. (a) Twogeometric isomers of pentane are n-pentane and neopentane.(b) Alkenes can have cis and trans isomers around theCC double bond. (c) Alkynes can have cis and trans isomersaround the CC triple bond.
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Chapter 2 Solutions
Organic Chemistry
Ch. 2.2 - Do the line-angle formulas in each pair represent...Ch. 2.2 - Draw line-angle formulas for the three...Ch. 2.3 - Write IUPAC names for these alkanes.Ch. 2.4 - Combine the proper prefix, infix, and suffix and...Ch. 2.4 - Write the molecular formula, IUPAC name, and...Ch. 2.4 - Write molecular formulas for each bicycloalkane,...Ch. 2.4 - Prob. 2.7PCh. 2.5 - For 1,2-dichloroethane: (a) Draw Newman...Ch. 2.5 - Following is a chair conformation of cyclohexane...Ch. 2.5 - Draw the alternative chair conformation for the...
Ch. 2.5 - Draw a chair conformation of...Ch. 2.6 - Which cycloalkanes show cis, trans isomerism? For...Ch. 2.6 - Following is a planar hexagon representation for...Ch. 2.6 - Here is one cis,trans isomer of...Ch. 2.6 - Prob. AQCh. 2.6 - Prob. BQCh. 2.6 - Prob. CQCh. 2.7 - Arrange the alkanes in each set in order of...Ch. 2 - Write a line-angle formula for each condensed...Ch. 2 - Write the molecular formula of each alkane.Ch. 2 - Using parentheses and subscripts, provide an even...Ch. 2 - Which statements are true about constitutional...Ch. 2 - Prob. 2.20PCh. 2 - Each member of the following set of compounds is...Ch. 2 - Each of the following compounds is an amine...Ch. 2 - Each of the following compounds is either an...Ch. 2 - Draw structural formulas and write IUPAC names for...Ch. 2 - Draw structural formulas for all of the following....Ch. 2 - Write IUPAC names for these alkanes and...Ch. 2 - Write structural formulas and line-angle formulas...Ch. 2 - Explain why each is an incorrect IUPAC name and...Ch. 2 - For each IUPAC name, draw the corresponding...Ch. 2 - Write the IUPAC name for each compound.Ch. 2 - Prob. 2.31PCh. 2 - Torsional strain resulting from eclipsed CH bonds...Ch. 2 - How many different staggered conformations are...Ch. 2 - Consider 1-bromopropane, CH3CH2CH2Br. (a) Draw a...Ch. 2 - Consider 1-bromo-2-methylpropane and draw the...Ch. 2 - trans-1,4-Di-tert-butylcyclohexane exists in a...Ch. 2 - From studies of the dipole moment of...Ch. 2 - Prob. 2.38PCh. 2 - Following are the alternative chair conformations...Ch. 2 - Prob. 2.40PCh. 2 - Prob. 2.41PCh. 2 - Draw line-angle formulas for the cis and trans...Ch. 2 - Name and draw structural formulas for all...Ch. 2 - Using a planar pentagon representation for the...Ch. 2 - Gibbs free energy differences between...Ch. 2 - Prob. 2.46PCh. 2 - Calculate the difference in Gibbs free energy in...Ch. 2 - Draw the alternative chair conformations for the...Ch. 2 - Use your answers from Problem 2.48 to complete the...Ch. 2 - There are four cis,trans isomers of...Ch. 2 - Draw alternative chair conformations for each...Ch. 2 - 1,2,3,4,5,6-Hexachlorocyclohexane shows cis,trans...Ch. 2 - Prob. 2.53PCh. 2 - What generalization can you make about the...Ch. 2 - What unbranched alkane has about the same boiling...Ch. 2 - Complete and balance the following combustion...Ch. 2 - Following are heats of combustion per mole for...Ch. 2 - Following are structural formulas and heats of...Ch. 2 - Without consulting tables, arrange these compounds...Ch. 2 - Which would you predict to have the larger (more...Ch. 2 - Following are structural formulas for 1,4-dioxane...Ch. 2 - Following is a planar hexagon representation of...Ch. 2 - On the left is a stereorepresentation of glucose...Ch. 2 - Prob. 2.64PCh. 2 - Prob. 2.65P
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