Chemistry 2202 Spring 2023 (4/5/23) – Dr. S. Jasmin – Lecture Notes & Course Material

CHEMISTRY 2202 SPRING 2023 (4/5/23) Dr. S. Jasmin

EXAM #2


NAME (please print):______ A N S W E R K E Y _______ TEMPLE ID #:____________



TEST CODE:__02__




Read each question very carefully before writing and/or choosing your answer. This examination
contains two parts (PART I and PART II) worth a total of 200 pts. Part I consists of 25 questions
(62.5 %), which include multiple choices and fill-in type questions. Enough space has been pro-
vided for you to answer the seven questions in Part II (37.5 %). Your answers in Part II must be
legible and all work must be shown to receive full or partial credit. PLEASE DO NOT WRITE
YOUR NAME OR INITIALS BEYOND THIS PAGE.




PART I SCORE:_____________

PART II SCORE: _____________

TOTAL SCORE: _____________

, PART I (62.5 %)

1. Which of the following structures are carboxylic acid derivatives?




(a) 3 (b) 1, 2, & 3 (c) 1 & 3 (d) 4 (e) All are carboxylic acid derivatives


2. Acetals will react with ___________.

(a) NaOCH3 (b) H3O+ (c) PhLi (d) CH3CH2MgBr (e) LiALH4

3. Which sequence ranks the following carboxylic acid derivatives in order of increasing rate of hydrolysis?




(a) 2 < 1 < 3 (b) 3 < 2 < 1 (c) 2<3<1 (d) 1 < 3 < 2

4. Lithium aluminum hydride reduces acid chlorides to primary alcohols via what intermediate?

(a) an aldehyde
(b) a carboxylate ion
(c) a ketone
(d) a secondary alcohol
(e) an anhydride

5. What compound is produced when N,N-dimethylpropanamide is treated with 1. LiAlH4 2. H2O?

(a) CH3CH2CONH2
(b) CH3CH2CH2N(CH3)2
(c) CH3CH2CH2NH2
(d) CH3CH2CH2OH
(e) CH3CH2N(CH3)2


6. Which sequence of reactions that convert a carboxylic acid to an aldehyde?


(a) 1. KOCH3; 2. LDA; 3. H3O+ (c) 1. NaBH4; 2. H3O+; 3. PCC
(b) 1. LiAlH4; 2. Ag(NH3)2OH (d) 1. SOCl2, pyridine; 2. LiAl(Ot-Bu)3H