1. PROBLEMS FOR CH 12

2. Learning Check Identify each of the following compounds as an alkane, alkene, or alkyne. A. B. C. D.

3. Solution Identify each of the following compounds as an alkane, alkene, or alkyne. A. alkyne B. alkene C. alkene D. alkane

4. Write the IUPAC name for the following compounds. A. B. Learning Check

5. Write the IUPAC name for the following compounds. A. B. Step 1 Name the longest carbon chain that contains the double or triple bond. A. B. pentenebutyne Solution

6. Write the IUPAC name for the following compounds. A. B. Step 2 Number the main chain from the end nearer the double or triple bond. 1 2 3 4 A. B. 1 2 3 5 4 2-pentene 1-butyne Solution

7. Write the IUPAC name for the following compounds. A. B. Step 3 Give the location and name of each substituent (alphabetical order) as a prefix to the alkene or alkyne name. A. B. Solution 12 34 5 12 3 4 2-methyl-2-pentene 3-methyl-1-butyne

8. Learning Check Draw the condensed structural formula for each of the following. A. 2-hexyne B. 3-methyl-3-hexene

9. Solution Draw the condensed structural formula for each of the following. A. 2-hexyne B. 3-methyl-3-hexene

10. Learning Check Name each, using cis–trans prefixes when needed. A.

11. Solution Name each, using cis–trans prefixes when needed. cis-1,2-Dibromoethene trans-2-Butene 1,1-Dichloropropene Identical atoms; no cis or trans A.

12. Learning Check Write an equation for the hydrogenation of 1-butene using a platinum catalyst.

13. Solution Write an equation for the hydrogenation of 1-butene using a platinum catalyst.

14. © 2013 Pearson Education, Inc. Chapter 12 Section 1 14 Learning Check Draw the condensed structural formula of the product of each the following reactions. ? ?

15. © 2013 Pearson Education, Inc. Chapter 12 Section 1 15 Solution Draw the condensed structural formula of the product of each the following reactions.

16. Draw the condensed structural formula of the product of each the following addition reactions. Learning Check ? 2. Br 2 (l) ?

17. © 2013 Pearson Education, Inc. Chapter 12 Section 1 17 Solution 2. Br 2 (l) Draw the condensed structural formula of the product of each the following addition reactions.

18. © 2013 Pearson Education, Inc. Chapter 12 Section 1 18 Learning Check Predict the product for the following reaction of 1-pentene with HCl.

19. © 2013 Pearson Education, Inc. Chapter 12 Section 1 19 Solution Predict the product for the following reaction of 1-pentene with HCl. H adds to the carbon that has more hydrogen atoms attached.

20. Learning Check Draw the condensed structural formula of the product of the following hydration reaction.

21. Solution Draw the condensed structural formula of the product of the following hydration reaction.

22. © 2013 Pearson Education, Inc. Chapter 12 Section 1 22 Learning Check Draw the condensed structural formula of the product of each the following reactions.

23. © 2013 Pearson Education, Inc. Chapter 12 Section 1 23 Solution Draw the condensed structural formula of the product of each the following reactions.

24. Learning Check What is the starting monomer for polyethylene?

25. Solution What is the starting monomer for polyethylene? Ethene (ethylene), CH 2 ═ CH 2

26. Learning Check Name the monomer used to make Teflon, and use four monomers to draw the condensed structural formula of a portion of a Teflon polymer.

27. Solution Name the monomer used to make Teflon, and use four monomers to draw the condensed structural formula of a portion of a Teflon polymer.

28. Learning Check Select the correct name(s) for each of the following compounds. A. chlorocyclohexane B. chlorobenzene C. 1-chlorobenzene A. 1,2-dimethylbenzene B. 1,3-dimethylbenzene C. m-xylene

29. Solution Select the correct name(s) for each of the following compounds. B. chlorobenzene B. 1,3-dimethylbenzene C. m-xylene

30. Learning Check Draw the condensed structural formulas for each of the following. 1. 1,3-dichlorobenzene 2. o-chlorotoluene

31. Solution Draw the condensed structural formulas for each of the following. 1. 1,3-dichlorobenzene 2. o-chlorotoluene

32. Learning Check Identify the organic family for each of the following. A. B. C. D.

33. Solution Identify the organic family for each of the following: A. alkene B. cycloalkane (alkane) C. alkyne D. aromatic