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200301M - mean Score 71°23'7 SMeMLs 90 100 ‘70 Total...

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Unformatted text preview: mean Score 71°23 '7 SMeMLs 90+ 100 ‘70 Total 0‘73 QUCSUODS Chem 267 Midterm Name [0 to (5+- Sc W" '7 Q- 1 ID ____.____ March 1311,03 1) List the following acids from the strongest to the weakest. #LN h¢ib OC-U‘JS ”2:63) 1>3>4>2>5 ’/ WQQ’VSHDHfl 7090B) 2>5>1>3>4 ,. , _ l)HBr )CH3COOH 3) Cl 4)}IF 5)CHJOH C) 4>3>1>2>5 D) 1>3>4>5>2 E) 5 > 2 >1> 3 > 4 l >$‘) L1> 2 > S JPJ [Amhafawrilui 2 List the followin acids from the stron est to weakest. ’7 Of”) C’ r9 ) g g :éhg.) m6" Ode)“ ‘3‘ I’U/ mogfecbm VI AuJqu A) 4>5>3.>1>2 19 up“ _,/ B) 1>2>5>3>4 9, Ci” He 3305.550 149; N02 Hand wsz) 3>4>1>2>5 (I 3 e) 9 9‘ (9 <9 d D) 2>4>3>5>15V H30 OH :31 a; 0,»: on OH 9102D® 4>3>l>2>5 1) 2) :1) 4) 5) L1 > 3 v 1 >2 7 6 3) List the following acids from the strongest to the weakest. A) 4> 5>2> 3 >1 ‘ ‘1>.Z>[3 >4 > 5‘ we), 9 1>3>2>5 >4 1)CH30H20H; 2) c113c0111 3)CICH2CO;H 4) (3113014 5)CHJSH 4_>1 >;_1>.3 >5 ’ S > 2 > l 23 >4 ~ - I > 3 > Z > g 7 L/ 4) List the following bases from the strongest to the weakest. l4!“ Ala. “61 A) 4>3>5>2’>t / 4 ”Sim B) 1 > 4 > 5> 3 > 2 ”/0130- K 2) | 3) CchHQNHz VCHSCHQ' K‘ 5) CHaNHCHa 25°20 c) x4>j>3>x5>2 \N "" " 5 k 93420© 4>1>5>3>2 " E) l>4>2>f5>3’ H>I>S7 ’5 )2 ’ ' 2 5) List the following nitrogen atoms from the strongest to the 3weakest base. I Pinflanbe 3>2>4>l 56%.1>2>4>3 #170 C) 3>l>2>4 IMO D) 1>4>2>3 E) 2>4>l>3 6) List the following bases from the strongest to the weakest. A) 5>3>2>1>4 7_ ’ E33 909 B) 5>2>4>3>1 CH2 EH “ A ,1. C) 2 >1> 3 > 5 > 4 1) W 2) W 2 3) W 4) Cch-‘O 5) HO—fi—O 3 > 2 > 4 > 1 > 5 ° 0 O ,o D) 8/%® 2>1>3>4>5 / 17 l) 3 > v> 5 Total of 22 questions Chem 267 Midterm Name U March 13'” /03 ID in the molecular orbital model of benzene, the six p atomic orbitals combine to form how many molecular orbitals? 4’72. B)5 (3)4 @970; E)2 o 83% 9) 6’25 laivh 10) H) [J' qlifib Which of the following compounds are aromatic? CH3 A) 1,2,3and4 61‘ B) 1,3,4and5 3 4and5 it 3' d4 3) _ A“ $71“ 51+ /éqT' Which of the following rings are aromatic? A) land2 1)C)m//I7'/l8 B) 1and4 C 2and3 33nd4 E) l,3and4 Which ofthe following compounds would be most reactive toward ring bromination? O u NHCIZCHg CH Epics); Q Q Q 6 Q3 DJ4 E ) 5 fl What is the major product(s) formed in the following reaction? “A” COOH COOH COOH COOH HN03 H2304 ? COOH COOH 02N COOH COOH New 2) N02 3) A) 1 B 2 3 D) Equal amounts of l and 2 E) Equal amounts of l, 2 and 3 Total of22 questions Chem 267 Midterm Name ——-————-—-——— 3 March 111/03 [D 12) Each of the five disubstituted benzenes is nitrated. In which of theses eases does the arrow go_t indicate the chief 1305131011 of nitration? s M’M“ r o 9 fl me 3.1. -0H COOH NHCOCH3 OOH CH3 A) 1 13) 2 1% 2 NO; 8/02. . CH3 1:) 5 o, V IL) gimme r 1) 2) 3) 4) 5) a . ,a 13) When toluene is reacted in turn with 1) C12 (large excess) heat, and light and 2) 312, FCBI’3, the major product is? (£43 M‘L'lQ 51 11m.1 col3 CHgBr CCtzBr cc:3 CHgBrC 1) 11137 C“ VR 1—0 1, ass 13W” 7 Li ’20 2) Cl 4) Br 5) 0| A) 1 B) 2 C) 3 D) 4 E) 5 9‘1 (p0 y—LH NW; 14) What is the final product formed in the following set ofreactions? 1w" 6 3 I /\ 1.111901%3 l O I _3 L3 1 + =\ . cone. 7 dilute H2504] H20 7 I A H2804 heat NHCOCHJ NHCOCH3 NHCOCH3 50311 Q: 3)2/ E N? :1 " 15 What 15 the major product aforrnei 1__n_ the following set of reactions? _ 0 2. ,-; ‘1' .39 -. 0 "3 ?{|D;1I::rl J" Lu—k- ‘1‘ {.9}? ‘ /N L /L_\ )OZN/Gr ClleeCI3 NaOCH3 mail/<0) w.) \/\ 0C. H 3 100°C. (2 0L OCH: H2 OZN5LC flu HZNQCI H::::© OCH3 02 N OCH; H 3C0 2) .B)2 €13 D)4 E)S Total 0(22 questions Chem 267 Midterm Name —————-—-—- 4 March 13"‘103 ID 16) What is the major product formed in the following reaction? 0 ) Q—NHZ Q—C —/C\] —> 7 floor. A l C)3 D)4 E)5 ) .gatmo mm, 17) What is the major product formed 1n the following set ofrcactions? w W94"; h @504” max B F B a” : Zn/Hg ? H2804 503 7 r2. 6 r3 7 dilute HZSO4/H20 7 6r“ HCI heat Br 0 Br Cl Br Br WW :3? 038 W33 1) 2) \JM/ 4) 5) 2 C3 D4 E5 A“ B) Gama) ) 18) All halogenated benzene-s are less reactive than benzene and are called deactivating. Which halogen dcactivates the aromatic ring the most? A)P B) Cl C)Br 3 ‘ 60°20 702° 19) Which reaction would not give the product indicated? / ”3%? +NaOH+Br2 \/NH2 3) WHfiexcess) -—-——> /\/NH2 / L WK NW2 4) CM 151:: W (27* 2) H20. H 1—1/0; A) land4 B l and 3 ‘1’ b ‘24: only 4 D) only 2 3and4 Total of 22 questions Chem 267 Midterm Name March 13*103 ID 20) What is the major product formed in the following reactions? ———> 7 2) CuBr NH2 16% 1)HBr NaN02 1) ’ o ,AJCI3 7 V]? ——-—>- . I 1 3\0H 2) H30+ ' 1 , )- NO2 NH— 0— o\/ o N/O/j 0/7 3 mom-1 [5m (5)510 2 HOOC 8’ HOOC Br 3 COO“ 1) 2) L, 3) 4) A) 1 B) 2 C) D) 4 E) 5 6 3 ”Ba 21) What is the product formed in the following reactions? __-;>.\ O 1 N NO 6 F N; 2" rho—301102 1)Fe/HCl ? ) a 2 7 2) NaOH 2) 000113 cu; in N :1) _C1) rii/Q/ N '3 O—N 0— WC HO Hats/Gm 01-13 13:301-13 1) 2) 3) @ A) 1 B) 2 C) 3 D) 4 C9 93 7 ‘lo (2’ 22) Isoqumolme readily und-ergoielectrophilia aromatic substitution reactiOns. At what position does the elcctrophilic aromatic subs tion Oceuk\ 1) A)l B)2 (3)3 D) 4 Q J /N - '“ 73420 1302, / i " ...
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