10. Give the structure corresponding to each name. a. 7,7-dimethyl-4-octanol b. 5-methyl-4-propyl-3-heptanol OH a. 7,7-dimethyl-4-octanol c. 2-tert-butyl-3-methylcyclohexanol d. trans-1,2-cyclohexanediol c. 2-tert-butyl-3-methylcyclohexanol

Is the IUPAC naming of these compounds correct?

Which structure is a meso compound? A. В. С. D. CH3 CH 3 CH3 CH 3 H--C1 H--C1 H--C1 H--C1 cl-- - CH3 Cl--H H--C1 Cl--H CH 3 CH2CH3 CH2CH3

17. Name the following alkynes. b. a H HーC三c- H-c=c- H H H. H d. H-cEc-CH,-CH3 -c=c- H- с—н H H .CH3 f. H2Ç .CH2 c-c=CH H3C. H H-C-H CH H-C C-C- -c- C-H CH3 H2C. H H Н-с-н CH2 H CH3 I-O- O-

12. IUPAC name of the structure CH3CH2C-0 is: a. isopropyl cyclooctanoate. b. cyclooctyl propanoate. c. octyl cyclopropanoate. d. cyclopropyl octanoate. e. 3-methanoate-3-cyclooctane. I.

1. What is the IUPAC name for the structure below? LOMONCH CH₂CH-CH₂CH₂ CHỊCHỊCH CHU A. (R)-3-chloro-6-ethyloctane B. (S)-3-chloro-6-ethyloctane C (S)-6-chloro-3-ethyloctane D. (R)-6-chloro-3-ethyloctane E. None of the choices is correct. 2. Give the IUPAC name for the following compound CHÍCH, "I -CH₂ I CH₂ HOCHLO -CH₂ CH₂ CH₂ A. 2-chloro-4-sopropyl-2,6-dimethyloctane B. 2,6-dimethyl-2-chloro-4-isopropyloctane C7-chloro-5-isopropyl-3,7-dimethyloctane D. 4-chloro-2-isopropyl-26-dimethyloctane E. 2-chloro-4-isopropyl-2,7-dimethyloctane

1. Write the IUPAC name of the following а. CH3-CH-O-CH2-CH3 CH3 b. CНЗ-СH-CH2-SH CH3 c. CH3-CH-CH-CH2-CHO | | Cl Br d. CH3-CH2-C-CH2-CH-CH3 Cl е. CH3 -CH -C-CH3 СНЗ О 2. Write the structure of the following: a. 2-Butanone b. a-Hydroxybutyraldehyde c. 2,3-Butanedione d. 2-Methylpentanal e. 4,4-Dimethyl-2pentanone

1. Give the IUPAC name for the following compounds: a. C. e. OH O || b. CH3–CH2–C–0–CH2–CH2–CH3 CH3–CH,—NH, Ο CH3 d. CH3-N-CH₂-CH3 Η | || CH3-CH₂-CH₂-C-N-CH₂-CH3

Br. CH, 21. C%3DC H. CH, The compound above can exhibit a. cis-isomerism only Ob. trans-isomerism only Oc. both cis- and trans-isomerism Od. neither cis- nor trans-isoherism

4. Syn and anti addition can occur with alkenes. 1. Describe syn and anti addition. b. Give an example of syn addition to an alkene and explain why it is syn. c. Give an example of anti addition to an alkene and explain why it is anti. 5. The following reactions shows the dehydration of 2-methylcyclohexanol. Why is 1-methylcyclohexene the major product? X OH H3PO4 84% 16%