CHM 2046C Pretest Homework Packet Name: __________________

Module 16 (formerly M-4 Part III) Chapter 23: Introduction to Organic Chemistry

Write your scores of the pretest in the blanks below before you start your test, then put away all pretests during the exam. After you have finished, staple the pretests for Chapter 11 to this Chapter 11 test.

Module Four: Part III: Intro to Organic Compounds Chapter 23	Possible	Answers
A. Alkane Series	5	Answers
B. Alkyl Radicals	5	Answers
C. Isomer Homework-Lecture C7H16, C5H11Br, C4H8Br2, C6H12	50
C. Isomer Problem  C6H14, C4H9Br, C3H6Br2 C5H10	20
D. Recognition of 1^o, 2^o, 3^o, 4^o carbons & 1^o, 2^o, 3^o hydrogen (Lecture)	5
E. Functional Groups	5
F. Nomenclature of Alkanes, alkenes and Cycloalkanes	10
Module Four Part III; orM-16 Total:	100

Module 16 Alkane Series 5 points

Name the first ten members of the alkane series and give its chemical, semi-structural, or structural formula:

Name Chemical Formula

1.

2.

3.

4.

5.

6.

7.

8.

9.

10.

CHM 2046C Exam #1

Module 16 (Chapter 23) Part B: Alkyl Radicals 5 points

Draw the structural or semi-structural formulas for all the alkyl radicals of the first four members of the alkane series, insert a X in place of the hydrogen which is removed to make the radical:

Methyl Ethyl

n-propyl isopropyl

n-butyl sec-butyl

Isobutyl t-butyl or tert-butyl

CHM 2046C M-16 Pretest Homework Packet

Module 16 (former M-4III) Part C: Structural Isomer Number Problem:

Alkanes, Alkyl halides, and Cycloalkanes 70 points

Draw the structural or semi-structural formulas for all the isomers of the following chemical formulas, then give the IUPAC name for each: (Use additional paper)

C₆H₁₄ 5 isomers;

C₄H₉Br 4 isomers;

C₃H₆Br₂ 4 isomers;

C₅H₁₀ 5 isomers (cycloalkanes only)

C₆H₄Br₂ 3 aromatic isomers

C₅H₁₂ and C₄H₁₀ 5 total isomers between the two alkanes

C₅H₁₀ 5 isomers (alkenes only)

C₄H₈ 5 total isomers (cycloalkanes plus alkenes)

Problem #2 C₇H₁₆ (makeup C₈H₁₈)

C₅H₁₁Br (makeup C₆H₁₃Br)

C₄H₈Br₂ (makeup C₅H₁₀Br₂)

C₆H₁₂ Cycloalkanes only (makeup C₇H₁₄)

C₆H₁₂ Alkenes only (makeup C₇H₁₄)

CHM 2046C M-16 Pretest Homework Packet

Module 16 Chapter 23 Part D: 5 points

Recognition of 1^o, 2^o, 3^o, 4^o carbons & 1^o, 2^o, 3^o hydrogens

Classify the carbon or hydrogen atom in the below structure as 1^o, 2^o, 3^o, 4^o

or primary, secondary, tertiary, or neo carbon or hydrogen atoms: The numbers below on each image refer to the parent hydrocarbon of the chain::

Image #2 Iamge#3 Image#4

Image#1 1. C1:_____ 2. C2: _____ 3. H2: _____ 4. C4: _____ 5. C5 :_____ 6. C6: _____ Image#2 7. C5: _____ 8. C3:_____ 9. C2:_____ 10. C1:_____ Image#3 11. C5:_____ 12. C4:_____ 13. H3_____ 14. C2:_____ 15.C1: _____ Image#4 16. C5:_____ 17. H4:_____ 18. C3:_____ 19. C2:_____ 20. C1:_____

CHM 2046C Module 16 Pretest Homework Packet

Module 16 Part E: Nomenclature of Alkanes and Cycloalkanes 10 points

Give the IUPAC Name for the following compounds:

1. ___________________________
2. ___________________________
3. ____________________________
4. ___________________________
5. ___________________________