1 CHEM 10052 Summer 1999 Final Exam Name____________________ ss#______________________ 1) Identify the functional groups in the following compound (8 pts.). O O CH3 alkene NH amide ketone O ether 2) Give examples of compounds that contain the following functional groups (8 pts.). a) alcohol b) acetal CH3O OCH3 CH3OH c) carboxylic acid CH3 O C OH d) thiol CH3SH 3) Name the following compounds using either common or systematic nomenclature (8 pts). CH3CH2 H C C H CH3 a) trans-2-pentene OH OH O CH3CH2 CH CH OH NO2 b) 3-hydroxy-2-nitropentanoic acid OCH2CH3 OCH3 c) phenol d) 1-ethoxy-1-methoxycyclobutane 2 4) Draw structural formulas for the following compounds (8 pts). a) trans-2-methylcyclopentanol b) m-nitrobenzoic acid O OH O2N CH3 c) 3-hydroxy-2-mercaptohexanal OH d) 2-phenylhexanal O H3 C OH O H3C H H SH 5) Compare the molecular structure and physical properties of carboxylic acids and ethers. Include descriptions of geometry, orbital hybridization, hydrogen bonding, relative boiling points, and water solubility. (8 pts). See Notes 6) Using an orbital diagram describe the bonding in a double bond. Label the and bonds, indicate bond angles, and describe the molecular geometry and orbital hybridization. (6 pts.) See Notes 7) Draw and name two isomers with the chemical formula C6H12O2. (6 pts.) O O H3C H3C OH OH CH3 hexanoic acid 2-methylpentanoic acid 8) Predict the major products for the following reactions. (2 pts. each) O a) Ph O Ph + CH3CH2NH2 O CH3 c) CH3CH2CH2 d) CH3CH2 O C O C OH NHCH2CH3 + Ph O C OH CH3 OH H2O H2SO4 b) Ph O C [R] CH3CH2CH2 OH + CH3CH2NH2 O C H CH3CH2 [R] O C CH3CH2CH2 OH CH2 NHCH2CH3 + H2O 3 NH2 NHCH2CH3 1) CH3CH2Br 2) NaOH e) O C CH3CH2 OH O cat. NaOH H CH3CH2 H CH3 f) CH3O O OCH3 H2O, H+ + 2CH3OH g) O O OH OCH3 H2SO4 + CH3OH h) CH3CH2CH2 O O C CH C O CH3 i) OH j) OH CH3 H2SO4 CH CH2CH3 H3C CH3 H C C H H3C CH3 + H2O 9) Provide the proper reagents required for the following transformations (2 pts. ea.) O N N H a) HNO3 H2SO4 b) NO2 O [O] CH3CH 2CH2OH c) C CH3CH 2 H 10) Write a detailed mechanism for the hydration of propene. (6 pts.) See Notes 4 11) Write a detailed mechanism for hydrolysis of esters. (6 pts.) See Notes 12) Circle the five chiral molecules. (8pts.) CHO H CHO OH O2N OH H CH3 OH HO CHO H CH2OH H CH3 H meso CH2OH Br Br OH NO 2 H OH H OH CH2OH Br meso meso CH2OH O O CH3 O H HO OH H CH2OH Bonus: Identify the three meso compounds above. (9 pts).