Chapter 22 Review “Hydrocarbon Compounds”

Chapter 22 Review How many double covalent bonds are in an alkane? Alkanes do not have geometric isomers because the carbon atoms in their carbon-carbon bonds are __. Draw the condensed structural formula for 2,2,3-trimethylbutane. Know characteristics of structural isomers.

Chapter 22 Review The general name for hydrocarbons with at least one triple covalent bond is ____. What is the first stage in the formation of coal? A structural isomer of hexane is: a) 2,2-dimethylbutane, or b) benzene?

Chapter 22 Review Which of the following is a structural isomer of butane: a) 2-methylbutane, or b) 2-methylpropane? What is the name of the smallest alkyne? The controlled process by which hydrocarbons are broken down or rearranged into smaller, more useful molecules is called ____.

Chapter 22 Review How many valence electrons does a carbon atom have? What is the increment of change in a series of straight-chain alkanes? Which of these is an alkene: a) propanone, or b) nonene? What is the name of the alkane having five carbons?

Chapter 22 Review Alkanes are hydrocarbons that contain what type of bonds? In which of the following compounds does rotation occur around all covalent bonds between carbons: a) octane, or b) octene? What is the first step in the refining of petroleum?

Chapter 22 Review What is the condensed structural formula for 2,2-dimethylbutane? The longest continuous carbon chain of a branched-chain hydrocarbon is called a(n) ____. An organic compound that contains only carbon and hydrogen, and at least one carbon-carbon triple bond is classified as an ____.

Chapter 22 Review How many different atoms or groups are attached to an asymmetric carbon? How many carbons are in a molecule of hexane? Hydrocarbons containing a saturated carbon ring are called ____.

Chapter 22 Review What compound is the simplest aromatic compound? What is the general formula for a straight-chain alkane? How many covalent bonds can each carbon atom form? Which type of coal has the highest carbon content?

Chapter 22 Review In the cis- configuration, the methyl groups are placed ____. Which of the following compounds is an unsaturated hydrocarbon: a) nonane, or b) propyne? What is the simplest straight-chain alkane? In which of the following liquids is hexane most likely to dissolve: a) vinegar, or b) octane?

Chapter 22 Review Which hydrocarbon rings are most common in nature: a) rings with 4 or 5 carbon atoms, or b) rings with 5 or 6 carbon atoms? Which of the following is NOT a fraction obtained from crude oil: a) ammonia, or b) kerosene? What is the physical state of the smallest alkanes at room conditions?

Chapter 22 Review Which of the following is NOT an important fossil fuel: a) hydrogen, or b) coal? The names of the straight-chain alkanes all end with the suffix ____. Why are the molecules of hydrocarbons nonpolar?

Chapter 22 Review In a cyclic hydrocarbon with only carbon-carbon single bonds and n number of carbon atoms, how many hydrogen atoms are there in terms of n? The name for an alkyl group that contains two carbon atoms is ____.

Chapter 22 Review Which of the following is NOT a product obtained from the distillation of coal tar: a) coke, or b) benzene? What is the simplest alkane? What is the condensed structural formula for propane? How are hydrogen atoms arranged in ethene?

Chapter 22 Review What is the main hydrocarbon component of natural gas? A saturated straight-chain hydrocarbon with two carbons is __. What is the name of the compound CH3CH(CH3)C(CH3)3? How many more hydrogen atoms does a cyclohexane molecule have than a benzene molecule?

Chapter 22 Review What percent of the composition of natural gas is methane? How many forms of coal are there? How many arrangements are possible for two methyl groups with respect to a rigid double bond? End of Chapter 22 Review