Sp06Exam2Ques - NAME (Print): _ SIGNAT URE: _ Chemistry...

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Chemistry 310N Dr. Brent Iverson 2nd Midterm March 30, 2006 NAME (Print): _____________________________ SIGNATURE: _____________________________ Please Note: This test may be a bit long, but there is a reason. I would like to give you a lot of little questions, so you can find ones you can answer and show me what you know, rather than just a few questions that may be testing the one thing you forgot. I recommend you look the exam over and answer the questions you are sure of first , then go back and try to figure out the rest. Also make sure to look at the point totals on the questions as a guide to help budget your time. I recommend saving questions marked "challenge" until you are finished with all of the other questions. Note: You must have your answers written in pen if you want a regrade!!!! Please print the first three letters of your last name in the three boxes For synthesis problems GO FOR PARTIAL CREDIT EVEN IF YOU DO NOT KNOW THE ENTIRE ANSWER!!!WRITE DOWN WHAT YOU DO KNOW IS IN THE REACTION SEQUENCE SOMEWHERE. YOU WILL GET PARTIAL CREDIT IF IT IS CORRECT
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10 9 8 7 6 5 4 3 2 (27) (16) (22) (24) (29) (24) (33) (22) (23) (17) (19) (15) (271) 11 1 Page Points Total T Score 12
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CH 3 CH 2 - H R 2 C C H H H -N( i- C 3 H 7 ) 2 RC C H COR' O H 2 CR' O RC H 2 CH O H 2 CCl O RC H 2 RCH 2 O H HO H ROC O COR' O C H 2 RC O COR' O C H 2 O CR' O C H 2 H 4 N CO- H O R RCH 2 O H 2 H 3 O H -Cl 10 51 -7 Compound pK a 3-5 15.7 16 18-20 11 23-25 18-20 13 15-19 40 Carboxylic acids β -Dicarbonyls β -Ketoesters β -Diesters Water Alcohols Acid chlorides Aldehydes Ketones Esters LDA Alkanes Terminal alkynes 25 Terminal alkenes 44 9.2 Ammonium ion Hydronium ion Hydrochloric acid Protonated alcohol -2 -1.7
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Pg 1 _____________(27) 1. (14 points) Suppose a relative of yours is having an MRI. In no more than four sentences, explain to them what is happening when they have the MRI scan. We wil be looking for a minumum of 7 key points here. Signature_________________________ 2. (10 pts) On the left is drawn the Lewis structure of a simple amide. Draw the two next most important contributing structures in the spaces provided. Be sure to show all lone pairs and formal charges. You do not need to draw arrows on the structures, but you can if it helps you. H C H H C O N H H 3. (3 pts) An important feature of an amide bond is that there is a partial double bond between the carbonyl carbon and nitrogen. For the contributing structures you drew in Problem 2. , draw a circle around the one that predicts this partial double bond. Notice This
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H 3 C OCH 3 CH 3 O H 3 C H N O NH 2 O H 2 N O Signature_________________________ Pg 2 _____________(16) 4. (4 pts each) Write an acceptable IUPAC name for the following molecules on the line provided.
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This note was uploaded on 01/31/2011 for the course CH 310 N taught by Professor Blocknack during the Spring '08 term at University of Texas at Austin.

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Sp06Exam2Ques - NAME (Print): _ SIGNAT URE: _ Chemistry...

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