Name______________________________________________ Xavier High School Organic Chemistry Worksheet Section___________ Ms. Neuffer-McCann 1. List the basic structural features that characterize each of the following hydrocarbons. Alkanes______________________________________________________________ Alkenes______________________________________________________________ Alkynes______________________________________________________________ Aromatic hydrocarbons__________________________________________________ 2. Write the general formula for each of the following. Alkanes__________________________________________ Alkenes__________________________________________ Alkynes__________________________________________ -yl group_________________________________________ 3. List the carbon-atom chain prefixes. Number of Carbon Atoms Prefix 1 2 3 4 5 6 7 8 9 10 4. Complete the table. Molecular Formula Methane Ethane Propane Butane Pentane Molecular Formula Methyl Ethyl Propyl Butyl Pentyl (amyl) 5. List the names and molecular formulas for the first ten alkanes. Number of Carbon Atoms Name Molecular formula 1 2 3 4 5 6 7 8 9 10 6. List the names and molecular formulas for the first nine alkenes. Number of Carbon Atoms Name Molecular formula 1 NONE 2 3 4 5 6 7 8 9 10 7. List the names and molecular formulas for the first nine alkynes. Number of Carbon Atoms Name Molecular formula 1 NONE 2 3 4 5 6 7 8 9 10 8. Draw the structural formula for ethane. 9. Draw the structural formula for ethene. 10. Draw the structural formula for ethyne. 11. Draw the structural formula for propyne. 12. What is an isomer? ________________________________________________________________________ ________________________________________________________________________ ________________________________________________________________________ 13. What is the difference between a structural isomer and a geometric isomer? ________________________________________________________________________ ________________________________________________________________________ ________________________________________________________________________ ________________________________________________________________________ ________________________________________________________________________ 14. Draw butane (C4H10). 15. Draw methylpropane (C4H10). 16. Draw cis-1,2-dichloroethene. 17. Draw trans-1,2-dichloroethene. 18. Draw the structural formula and then write the condensed structural formula for 2-ethylpentane. 19. Draw the structural formula and then write the condensed structural formula for 2,4-dimethylhexane. 20. Draw the structural formula and then write the condensed structural formula for 2,3-dimethylbutane. 21. Draw the structural formula and then write the condensed structural formula for 2,2,4-trimethylhexane. 22. Draw the structural formula and then write the condensed structural formula for 3-ethyloctane. 23. Complete the table. Alcohols Aldehydes Ketones Organic Acids Functional Group Bonds/Location 24. Complete the table. Class of Compound Halocarbon Alcohol Ether Aldehyde Carboxylic Acid Ester Amine Amide Functional Group Example Ethers 25. Circle the functional group and identify the class of organic compound. A)___________________ B._________________ C.___________________ D._______________________ 26. How does the functional group in an ether differ from the functional group of an ester? ________________________________________________________________________ ________________________________________________________________________ 27. Identify the organic compounds. A___________________________________ B___________________________________ C___________________________________ D___________________________________ E___________________________________ F___________________________________ G___________________________________ H___________________________________ I____________________________________ Do any of the formulas represent isomers? If so, identify them._____________________