Organic Chemistry - Standalone book
10th Edition
ISBN: 9780073511214
Author: Francis A Carey Dr., Robert M. Giuliano
Publisher: McGraw-Hill Education
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Question
Chapter 2, Problem 44P
Interpretation Introduction
Interpretation:
The reason for the fact that branched octanes are better fuels as they give off more energy on combustion is to be explained.
Concept introduction:
Stability of isomeric molecules increases with increasing branching.
Heat of combustion of isomeric hydrocarbons decreases with increasing stability of the molecule.
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4: Draw out the abbreviated structural formula of the following molecules.
4-Methyl-2-hexene
2-Methyl-2-hexene
2-Hexene
5: Draw the structure of 2-Butene, labeling the n bond and all the B bonds.
6: Draw all the structures possible with the formula CSH8.
Alkanes are hydrocarbons containing only single bonds. Acyclic alkanes have carbon atoms arranged in chains, whereas cycloalkanes have carbon atoms arranged in one or more rings. How many hydrogen atoms are in an acyclic alkane with 6 carbon atoms?
Alkanes are hydrocarbons containing only single bonds. Acyclic alkanes have carbon atoms arranged in chains, whereas cycloalkanes have carbon atoms arranged in one or more rings.
How many hydrogen atoms are in an acyclic alkane with 33 carbon atoms?
H atomsH atoms:
How many hydrogen atoms are in a cycloalkane with 33 carbon atoms?
H atomsH atoms:
Chapter 2 Solutions
Organic Chemistry - Standalone book
Ch. 2.4 - Prob. 1PCh. 2.7 - Prob. 2PCh. 2.8 - Identify the orbital overlaps of all of the bonds...Ch. 2.9 - The hydrocarbon shown, called vinylacetylene, is...Ch. 2.12 - Prob. 5PCh. 2.12 - Prob. 6PCh. 2.13 - Prob. 7PCh. 2.14 - Refer to Table 2.2 as needed to answer the...Ch. 2.15 - Prob. 9PCh. 2.15 - Prob. 10P
Ch. 2.16 - Prob. 11PCh. 2.17 - Prob. 12PCh. 2.18 - Prob. 13PCh. 2.20 - Prob. 14PCh. 2.21 - Match the boiling points with the appropriate...Ch. 2.22 - Write a balanced chemical equation for the...Ch. 2.22 - Using the data in Table 2.3, estimate the heat of...Ch. 2.22 - Prob. 18PCh. 2.22 - Prob. 19PCh. 2.23 - Prob. 20PCh. 2.23 - Which of the following reactions requires an...Ch. 2 - The general molecular formula for alkanes is...Ch. 2 - Prob. 23PCh. 2 - Prob. 24PCh. 2 - Prob. 25PCh. 2 - What is the hybridization of each carbon in...Ch. 2 - Prob. 27PCh. 2 - Does the overlap of two p orbitals in the fashion...Ch. 2 - Prob. 29PCh. 2 - Aphids secrete an alarm pheromone having the...Ch. 2 - All the parts of this problem refer to the alkane...Ch. 2 - Prob. 32PCh. 2 - Prob. 33PCh. 2 - Prob. 34PCh. 2 - From among the 18 constitutional isomers of C8H18,...Ch. 2 - Give the IUPAC name for each of the following...Ch. 2 - Using the method outlined in Section 2.16, give an...Ch. 2 - Prob. 38PCh. 2 - Write a balanced chemical equation for the...Ch. 2 - The heats of combustion of methane and butane are...Ch. 2 - In each of the following groups of compounds,...Ch. 2 - Given H for the reaction H2(g)+12O2(g)H2O(l)...Ch. 2 - Prob. 43PCh. 2 - Prob. 44PCh. 2 - Prob. 45PCh. 2 - Prob. 46PCh. 2 - Prob. 47PCh. 2 - Compound A undergoes the following reactions:...Ch. 2 - Prob. 49PCh. 2 - Some Biochemical Reactions of Alkanes Alkanes...Ch. 2 - Prob. 51DSPCh. 2 - Some Biochemical Reactions of Alkanes Alkanes...Ch. 2 - Prob. 53DSP
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- What is a hydrocarbon? What is the difference between a saturated hydrocarbon and an unsaturated hydrocarbon? Distinguish between normal and branched hydrocarbons. What is an alkane? What is a cyclic alkane? What are the two general formulas for alkanes? What is the hybridization of carbon atoms in alkanes? What are the bond angles in alkanes? Why are cyclopropane and cyclobutane so reactive? The normal (unbranched) hydrocarbons are often referred to as straight-chain hydrocarbons. What does this name refer to? Does it mean that the carbon atoms in a straight-chain hydrocarbon really have a linear arrangement? Explain. In the shorthand notation for cyclic alkanes, the hydrogens are usually omitted. How do you determine the number of hydrogens bonded to each carbon in a ring structure?arrow_forwardSummarize the nomenclature rules for alkanes, alkenes, alkynes, and aromatic compounds. Correct the following false statements regarding nomenclature of hydrocarbons. a. The root name for a hydrocarbon is based on the shortest continuous chain of carbon atoms. b. The suffix used to name all hydrocarbons is -ane. c. Substituent groups are numbered so as to give the largest numbers possible. d. No number is required to indicate the positions of double or triple bonds in alkenes and alkynes. e. Substituent groups get the lowest number possible in alkenes and alkynes. f. The ortho- term in aromatic hydrocarbons indicates the presence of two substituent groups bonded to carbon- 1 and carbon-3 in benzene.arrow_forwardWhy are different conformations of an alkane not considered structural isomers?arrow_forward
- Why are alkanes in general less reactive than alcohols?arrow_forwardHow does the structure of an alcohol differ from an ether? Describe how an aldehyde differs in structure from a ketone. Thiols are compounds which resemble alcohols, except that the oxygen atom is replaced by a sulfur atom. Draw the analogous thiol for the four carbon alcohol in Table 1. Describe the structural difference between carboxylic acids and esters. Are ethers polar molecules? Would you expect ethers to have higher or lower boiling points than alkanes (circle one)? Explain. Pentane (an alkane) has a boiling point of 36 °C. Does the data agree with your prediction? explain why this could be the casearrow_forwardGasohol is a mixture of 90% gasoline and 10% ethanol, CH 3CH 2OH. Ethanol is considered an environmentally friendly fuel additive because it can be made from a renewable source—sugarcane. Ethanol burns in air to form CO 2 and H 2O, and, like the combustion of alkanes, this reaction also releases a great deal of energy. Write a balanced equation for the combustion of ethanol.arrow_forward
- Indicate whether each molecule is an aliphatic or an aromatic hydrocarbon. If it is aliphatic, identify the molecule as an alkane, an alkene, or an alkyne. Separate your answer with a dash. Example. ALIPHATIC HYDROCARBON-CYCLOALKANE * H H H. TH. Harrow_forwardIndicate whether each molecule is an aliphatic or an aromatic hydrocarbon. If it is aliphatic, identify the molecule as an alkane, cycloalkane, an alkene, or an alkyne. Separate your answer with a dash. Example. ALIPHATIC HYDROCARBON-CYCLOALKANE * H H C -C. H.arrow_forwardAlkanes are hydrocarbons containing only single bonds. How many hydrogen atoms are in an acyclic alkane with 8 carbon atoms? H atoms: How many hydrogen atoms are in an acyclic alkane with 16 carbon atoms? H atoms:arrow_forward
- I. OPEN CHAIN A. Alkanes (explain in 5 sentences) Give the physical 3 properties and 3 chemical properties B. Alkenes (explain in 5 sentences) Give the physical 3 properties and 3 chemical properties C. Alkynes (explain in 5 sentences) Give the physical 3 properties and 3 chemical properties II. CLOSED CHAIN A. Cycloalkanes (explain in 5 sentences) Give the physical 3 properties and 3 chemical properties Cycloalkenes (explain in 5 sentences) Give the physical 3 properties and 3 chemical properties C. Cycloalkynes (explain in 5 sentences) Give the physical 3 properties and 3 chemical properties Explain in 5 sentence A. Boiling point (5 sentences) Give 5 factors that affect the boiling point (each factors, 2 sentences)- B. Melting point (5 sentences) Give 5 factors that affect the melting point (each factors, 2 sentences)-arrow_forwardDefine Alkanes ?arrow_forwardWhy are benzene rings more stable than alkenes? Use drawings to explain your answer.arrow_forward
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