CHM 1321

CHM 1321A Mid Term 2 Version B Answers 1. Compare the two hydrogens shown in this compound and circle the one that is more acidic. (1 point) a. Draw the two possible conjugate bases (2 points). b. Circle the conjugate base in part a that is more stable (1 Point) c. Briefly justify your answer in part b. Structures may be helpful in your explanation. (5 points) - Charge is delocalized in this base - Spreading the charge over more than one atom will lower the energy of the base and make it...

CHM1321 C Midterm 1A 2016 Page 2 of 9 Part A B C Total Points 10 (+2) 20 20 50 (+2) Mark TA Part A – 1 or 2 points per question 1. (5 pts) Give the line structure or the IUPAC names for the following compounds: STRUCTURE NAME 5-hydroxy-1-phenyl-3-hexanone m-diethylbenzene (2E,6Z)-4-methyl-2,6-octadiene 2. (0.5 pt) In valence bond theory, which atomic orbitals overlap to form the σC-H molecular orbitals of ethane, CH3CH3? a. C 2p + H 1s b. C 2sp + H 1s c. C 2sp2 + H 1s d. C 2sp...

CHM1321 C Midterm 1 2018 Page 2 of 11 Part A B C Bonus Total Points 10 20 20 3 50 Mark TA Part A – 1 or 2 points per question 1. The molecule below is Aspartame, a common sugar replacement found in low-calorie drinks and other products. a. (2 pts) Circle and identify the functional groups present in Aspartame. b. (0.5 pt) Give the hybridization and geometry of the atom indicated with an arrow. 2. (2.5 pts) Give the line structure or the IUPAC names for