200401M1 - For the following compound the hybridization of...

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Unformatted text preview: For the following compound, the hybridization of the atoms labeled 1 and 2 is best described as: l 2 H C—CZN—NH 3 H 2 spand2s 3“ (n mesa—“£311 24¢ \C—T’sg and 2 sp D ]sp3 and 2 sp NM Predict the shape ofthe follow ions: N03_. NOf, N02” A N05 “igml Planar; N021 linear; Nor. bent r-‘-‘ B NO3—’ tetrahedral; NOJ’ linear; N02_. trigonal Planar .g) ’/ "'x C N03_, trigOnal planar; No2+ bent; N02—‘ linear _ NO3—’ pyramidal; No2): linear; N02_, linear Which of the following compounds will NOT show hydrogen bonding with itself? .____,~‘_._ /... . .5 A CH2F2 B CH3NI-I2 c CH3CH2COOH Q(CH3)2NH fir Which of the following structures are NOT valid Lewis structures of neutral molecules? A ' C l (’3 e x n /0 :\\‘\ \ H—O—“-N H_C_"—N 3 \I ” \ \J' i . . 9‘ x" H . B D more than one ofthe above :03 e .. l 0. =0 N—o—H .0 ® 0' A proper IUPAC name, not including stereochemistry, for the following molecule is: i | l A 5-chloro-5-methyl-4-penten-1-ol B 5-chloro-4-hexen-l-ol §3chloro-5—hexen-1-ol 53-“ 2.Bti1&5-6;hydmxy:§:iraafié" ———..__ ....- ---___ ____._—-—--"— 6. 7. 8. 9. xx Ofthe following species (in which lone pairs are not shown), the one which contains a number of valence electrons different from the others is: (a (D Nflk C H3O D CH3 # r) - a F A enantiomers ..____ B consilfu 1011a isomer ‘di‘a‘ ereomers D none of these 1; /\1/\ Identify each double bond, labeled 1 and 2, in the following structure as (E) or (Z) CHchzel' A &1,(E) 2, (E) rem W13 JIM One mole each of 4-hydroxybenzoic acid and NaOH are dissolved in 1 litre of ethanol. Which anion predominates at equilibrium? COOH CO<§> COOH G) G ' 0H OCHZCH3 A B (3 OH O OH . . C D 4-hydroxyben201c acrd /_ /" \ _,../ 10. Which ofthe following statements is FALSE? A A molecule must have an asymmetric carbon atom to have an enantiomer. QBoILenannomerundldmgggeomers aw K'a It is possible for a molecule to have a chiral carbon atom and be achiral. l 1. Which of the following molecules is expected to show a net dipole? yea" l' q _ — d, _ B CI Cl C CI H H H + H Cl 4— + 12. Which ofthe molecules below is(are) a meso compound(s): D none of the above CH3 CH3 CH3 HQ H HO H HO H 14:1,:OH HOiH H:i:CH3 CH3 CH20H OH i 1| m A i B ii D nOne ofthe above 13. Consider the following pairs of structures (in which lone pairs are not shown). a. (9 (9 c. C9 @ H H _ H2C—C—CH2 and H2O and H2O ,. b 06 0 d' (B (9 “ac—CH2 and HZC-—CH3 and G) H_ /' H20 CH3 H20 CH3 The ones that represent resonance structures of each other are: A aandb only B a and cl onl C a, , and c only a e above 14. Consider the compounds C4H100 which are alcohols. How many isomeric alcohols, including constitutional iSOmers and stereoisomers, are possible? 0 (K ‘2 t \ “'— C __<-“_,z:_d __C’ (JQCL 15. For the following molecule, the absolute configurations of the stereocentres labeled 1 and 2 are best described as: l 0H 9H3 lgfi A 1,Rand2,R B l,Rand2,S l.Sand2,R um) 16. Which of the following structures best represents the most stable conformation of cis—l -terI-butyl-4-methylcyclohexane? A C(CH ) C 3 3 H3O H3C B D M C(CHala \-»...______ _ __ _ __.____ ._ . _ __ CH3 1?. Consider the following molecules and ions. Q - ‘7'? "I?" 2. __,~ 1 ,3 C0 C03 I H,“ C02 CH3OH \——A ---' ( "JP-{C ..__ a b n I'. C d The order of increasing C-O bond length (from shortest to longest) for these species is A ail??? / B a-c-bfi) \C’dxc—a D b-c-d-a 13. Consider the following molecules. \\\“\\\.. Z 5 \ a b c d The ones that have an enantiorner are: A a and c only B a and d only C b and d only @5585le 19‘ Which of the following structures represents (R)-glyceraldehyde? CHO 2’ 2 f\ ‘ OH 3 CHQOH H a b r __ an (only C b and c only D 0 only 20. Ramipril, an important drug used in the treatment of hypertension, is one stereoisomer of the structure show below How many stereoiSOmers of this general structure, including Ramipril, are possible? ...
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This note was uploaded on 09/13/2011 for the course CHEM 233 taught by Professor Daub during the Spring '09 term at Waterloo.

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200401M1 - For the following compound the hybridization of...

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