Chapter 25 – Review “Hydrocarbon Compounds” Charles Page High School Dr. Stephen L. Cotton

Chapter 25 - Review How many double covalent bonds are in an alkane? How many valence electrons surround a carbon atom? With how many covalent bonds does each carbon atom participate in an organic compound?

Chapter 25 - Review How many carbons are in a molecule of hexane? What is the name of the compound with the formula: H H H H H H H H-C-C-C-C-C-C-C-H

Chapter 25 - Review What is the substituent on the following compound? CH3CH2CH2CH2Cl What prefix is used to represent the substituent: CH3-CH2-CH2- If a substituent appears 4 times in a compound, what prefix is used?

Chapter 25 - Review Name the following: CH3 CH3 CH3 – CH – CH – CH - CH3 CH3

Chapter 25 - Review What is the IUPAC name for: CH3 CH2 – CH – CH2 – C - CH3 CH3 CH3 CH2

Chapter 25 - Review What is the name of the compound: CH3CH(CH3)C(CH3)3 What is the physical state of the smallest alkanes at room temperature? What is the simplest hydrocarbon containing a carbon-carbon bond?

Chapter 25 - Review The carbon-carbon bonds in alkanes are _____ to rotate. What is the general formula for a continuous-chain alkane? What is the simplest alkane? What increment of change occurs between propane and butane in the alkane series?

Chapter 25 - Review Name this: CH3 CH2 CH3 A saturated continuous-chain hydrocarbon with seven carbons is ______. Draw the condensed structural formula for 2,2,3-trimethylbutane.

Chapter 25 - Review The name of an alkyl group that contains two carbon atoms is __. Which of the following compounds is an isomer of butane: a) 2,2-diethylpropane, or b) 2-methylpropane In which of the following is hexane most likely to dissolve: a) ethyl alcohol, or b) nonane

Chapter 25 - Review Which of the following compounds has the lowest boiling point: a) 2-methylhexane, or b) 2,2,3-trimethylbutane Why is a carbon-hydrogen bond essentially nonpolar? Structural isomers have _____. Hydrocarbons in general are ____ dense than water.

Chapter 25 - Review Which is a structural isomer of hexane: a) 2,2-dimethylbutane, or b) 2-methylpentene What is the name of the hydrocarbons with double covalent bonds?

Chapter 25 - Review Which of the following compounds is an unsaturated hydrocarbon: a) propyne, or b) nonane What is the name of the smallest alkyne? Which compound is an alkene: a) propanone, or b) nonene

Chapter 25 - Review In which of the following compounds does rotation occur around a covalent bond between carbons: a) ethane, or b) ethene An organic compound that contains only carbon and hydrogen and a triple bond (all others are single) is classified as a(n) ______.

Chapter 25 - Review Which carbon is the assymetric carbon in the following: CH2 - CH3 H - C - CH3 CH2 – CH2 - CH3

Chapter 25 - Review Which carbon is the assymetric carbon in the following: CH3 CH2 - CH3 H - C – C - OH OH OH

Chapter 25 - Review What is the configuration (cis- or trans-) of the following: Cl Cl C = C H H

Chapter 25 - Review What is the configuration (cis- or trans-) of the following: H Cl C = C Cl H

Chapter 25 - Review Name the following compound: HC-CH HC C-CH2-CH2-CH2-CH2-CH3 HC=CH

Chapter 25 - Review Name the following compound: HC-C-CH2-CH3 HC=CH

Chapter 25 - Review Name the following compound: CH3 -C-CH HC C-CH2-CH3 HC=CH

Chapter 25 - Review Hydrocarbons containing a saturated carbon ring are called _____ hydrocarbons. What type of hydrocarbon is the following compound: CH3–CH2–CH2–CH2–CH2–CH3

Chapter 25 - Review What compound is the simplest of the arenes? Which of the following molecules does NOT display resonance: a) cyclohexane, or b) benzene Which type of coal has the highest carbon content? What is the main hydrocarbon component of natural gas?