Practice Exam I - [105 points total] CHM 238 Organic...

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[105 points total] CHM 238 Organic Chemistry I Practice Exam I NAME __________________ For each multiple choice question below, write the letter of the correct choice in the blank provided. (1pt each) Circling the answer will not be accepted and multiple choices will be considered wrong. 1. ____Which of the following compounds is a ketone? a. CH 3 CH 2 COOH b. CH 3 CH 2 CHO c. CH 3 CH 2 CH 2 OH d. CH 3 COCH 2. ____What is the hybridization of the carbon atom of a nitrile functional group, –C≡N? a. s b. sp c. sp 2 d. sp 3 3. ____Which of the following is an ester? a. 1 b. 2 c. 3 d. 4 4. ____Which combination of functional groups is present in the following molecule (morphine)? a. Alkene, amide, ether b. Alcohol, alkene, amine, ether c. Alcohol, alkene, ester, nitrile d. Alkyne, amine, carboxylic acid, ether 5. ____What is the molecular formula of an alkane with n carbon atoms? a. C n H 2 n b. C n H 2 n +1 c. C n H 2 n+ 2 d. C n H 2 n +4 6. ____How many constitutional isomers are there with the molecular formula C 6 H 14 ? a. 3 b. 4 c. 5 d. 6 1
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7. ____How many constitutional isomers are there with the molecular formula C 3 H 8 O? a. 1 b. 2 c. 3 d. 4 8. ____What are the correct names for the following alkyl groups? a. 1 , butyl; 2 , sec -butyl; 3 , tert -butyl; 4 , isobutyl b. 1 , isobutyl; 2 , sec -butyl; 3 , butyl; 4 , tert -butyl c. 1 , sec -butyl; 2 , isobutyl; 3 , butyl; 4 , tert -butyl d. 1 , tert -butyl; 2 , sec -butyl; 3 , butyl; 4 , isobutyl 9. ____Which of the following is a tertiary (3°) alcohol? a. 1 b. 2 c. 3 d. 4 10. ____How many 1°, 2°, 3°, and 4° carbon atoms are in the following structure? a. Four 1°, two 2°, two 3°, one 4° b. Five 1°, two 2°, one 3°, one 4° c. Three 1°, two 2°, two 3°, two 4° d. Three 1°, three 2°, two 3°, one 4° 11. ____What is the IUPAC name of the following compound? a. 3-Propylpentane b. 1,1-Diethylpropane c. 3-Ethylhexane d. 4-Ethylhexane 12. ____The HCH bond angle in CH 2 CH 2 is a. 90° b. 120° c. 180° d. 109.5° 2
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13. ____What is the IUPAC name of the following compound? a. 2-Ethyl-3-propylpentane b. 3-Methyl-4-propylhexane c. 3-Methyl-4-ethylheptane d. 4-Ethyl-3-methylheptane 14. ____Which of the following structures is different from the other three? a. 1
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This note was uploaded on 12/05/2010 for the course CHM 238 taught by Professor Arney during the Spring '07 term at Sam Houston State University.

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Practice Exam I - [105 points total] CHM 238 Organic...

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