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Chemistry Chapter 1 Of those indicated, which would be the shortest
Page 1 1. What is the molecular formula of limonene, the major volatile compound in orange peel oil? limonene A) C10H18 B) C10H20 C) C10H16 D) C11H14 E) C11H18 2. Of those indicated, which would be the shortest carbon-carbon bond […]
Chemistry Chapter 10 The type of electromagnetic energy required to cause nuclear
Page 1 1. In nuclear magnetic resonance, stronger magnetic fields A) give a higher sensitivity spectrum than do lower magnetic fields. B) give different chemical shifts (in ppm) than would weaker magnets. C) give better separation between peaks in the […]
Chemistry Chapter 11 Which of the following alkenes of the formula C5H10 would
Page 1 1. What would be the name of the following compound? CH3 CH3 H A) 2,3-dimethylcyclopentene B) (R)-1,5-dimethylcyclopentene C) cis-2,3-dimethylcyclopentene D) cis-1,5-dimethylcyclopentene E) trans-2,3-dimethylcyclopentene 2. Which of the following alkenes of the formula C5H10 would you expect to be […]
Chemistry Chapter 12 What would be the major organic product of the following reaction?
Page 1 1. What type of reaction is the following? Cl NaOH A) elimination B) substitution C) addition D) rearrangement E) reduction 2. What would be the major organic product of the following reaction? CH3 C CH3 H3CCCH2 H? HCl […]
Chemistry Chapter 13 Given separate pure samples, in what way
Page 1 1. What would be the proper name of the following compound? H3C C C H3C C H OH A) 1,1-dimethyl-2-propyn-1-ol B) 3-methyl-1-butyn-3-ol C) 3-hydroxy-3-methyl-1-propyne D) 2-methyl-3-butyn-2-ol E) 2-ethynyl-2-propanol 2. What would be the product of the following reaction […]
Chemistry Chapter 14 What Would The Expected Major
Page 1 1. What product(s) would you expect the following radical reaction to provide in reasonable yields? H3C C HCCH3 H H2C H2CC N C O O Br ? (= NBS) A) C C CH3 H HOCH2 H B) H3CCH […]
Chemistry Chapter 15 All These 18 Which The Following Best
Page 1 1. Which of the following would not be aromatic (i.e., which would not be unusually stable)? A) O B) H C) CH3 H3C CH3 D) H E) NCH3 2. How would you name the following? HO CH3 Cl […]
Chemistry Chapter 16 Which The Following Resonance Structures
Page 1 1. What major product(s) would you expect from the following reaction? CH3 ? Br2 FeBr3 A) CH3 Br B) CH3 Br C) CH3 Br D) CH2Br E) both A and C Page 2 2. What major product(s) would […]
Chemistry Chapter 17 Indicate to which side, if any, the following equilibrium lies
Page 1 1. What would be the major product of the following reaction sequence? ? 1. O3 2. (CH3)2S A) O O B) O C) H O O D) HH O O E) O Page 2 2. What would be […]
Chemistry Chapter 18 What reactants would be used to produce cinnamaldehyde?
Page 1 1. Which product would you not expect in the crossed aldol reaction between acetaldehyde and propionaldehyde? H3CC O HCH2C O H H3C? cat. NaOH H2O + A) CH2C O H H2C C OH H H3C B) CH C […]
Chemistry Chapter 19 What Reagent Needed Complete The
Page 1 1. Which would be the best name of the following compound? CO2H Br H3C (CH3)2CH A) 2-bromo-3-isopropylbutenoic acid B) (E)-2-bromo-3,4-dimethyl-2-pentenoic acid C) (E)-2-bromo-3-methyl-2-hexenoic acid D) (E)-2-bromo-3-methyl-2-pentenoic acid E) (Z)-2-bromo-3-methyl-2-pentenoic acid 2. Rank the following in decreasing order of […]
Chemistry Chapter 2 Eclipsed Gauche Staggered Anti Skewed Page
Page 1 1. The correct name of the following molecule would be: A) 2-ethyl-3,3-dimethylheptane B) 6-ethyl-5,5-dimethylheptane C) 3,4,4-trimethyloctane D) 2-butyl-3-methylpentane E) 2-sec-butyl-2-methylhexane 2. What is the name given to the Newman projection of the butane conformation shown here? H CH3 […]
Chemistry Chapter 20 Which of the following is not an intermediate in the Hofmann
Page 1 1. Rank the following carboxylic acid derivatives in order of decreasing reactivity toward hydrolysis (most reactive on left): H3CC O Cl H3CC O OCH3H3CC O NH2 H3CC O OCH3 C O A B C D A) D > […]
Chemistry Chapter 21 Hofmann Rearrangement Reduction Nitriles With Lah Reduction
Page 1 1. Rank the following in order of decreasing basicity (most basic on left): H3C N CH3 CH3 H3C N CH3 CH3C O NH2 ZYX A) Z > X > Y B) Y > X > Z C) Z […]
Chemistry Chapter 22 What is the main use of azo compounds in general?
Page 1 1. Which ion would be most stabilized by resonance? A) CH2CH2 B) CHCH3 C) CH2CH3 D) CH2CH3 E) All are equally stabilized. 2. Which of the following resonance structures of the phenoxide anion would be the major contributor […]
Chemistry Chapter 23 What product would result from the following reaction sequence?
Page 1 1. What would be the organic product of the following reaction? H2C O CH2 O O O O O H3O+ heat ? A) 2 HO2CCH2CO2H B) 2 CH3C(=O)CH3 C) 2 CH3CO2H D) HO2CCH2C(=O)O2CCH2C(=O)O2CCH2CO2H E) No reaction occurs. 2. […]
Chemistry Chapter 24 Which Disaccharide Possesses 11
Page 1 1. What would be the name of the following sugar? A) -D-glucopyranose B) -D-galactopyranose C) -D-glucopyranose D) -D-galactopyranose E) -D-glucofuranose Page 2 2. Which compound would result from the following reaction? CHO CH2OH HHO HHO HHO OHH Br2, […]
Chemistry Chapter 25 How would the heterocyclic amines shown here be ranked
Page 1 1. Which nitrogen, if either, is the more basic in nicotine? N N CH3 H A B nicotine A) Nitrogen A is more basic. B) Nitrogen B is more basic. C) The nitrogens are equally basic. D) Neither […]
Chemistry Chapter 26 The Differences Between Dna And Rna Are
Page 1 1. What is dicyclohexylcarbodiimide (DCC) used for in peptide synthesis? A) DCC protects the amino group of the intended N-terminal amino acid. B) DCC activates the carboxyl group toward nucleophillic attack. C) DCC cleaves the blocking groups from […]
Chemistry Chapter 3 All Would The Same 22 Which The
Page 1 1. Given the relative reactivities of various kinds of hydrogens, the major product expected from mono-bromination of 2-methylbutane would be what? A) H3C C CH3 H CH2CH2Br B) H3C C CH3 H CHBr CH3 C) H3C C CH2Br […]
Chemistry Chapter 4 Terpenes can be considered to be built up from what units?
Page 1 1. What would be the name of the following? CH3 A) 5-cyclopentyl-1-methylcyclononane B) cis-1-cyclopentyl-5-methylcyclodecane C) cis-5-methyl-1-cyclopentylcyclododecane D) trans-cyclopentyl-5-methylcyclodecane E) (5-methylcyclodecyl)cyclopentane 2. Which of the following isomers would you expect to have the lowest heat of combustion? (i.e., be […]
Chemistry Chapter 5 Both And Page 26 Which The Following
Page 1 1. How many chiral centers are present in -cadinene? CH3 CH(CH3)2 H3C A) none B) 1 C) 2 D) 3 E) 4 2. Counting all stereoisomers, how many monochlorinated products of the free-radical chlorination of (R)-2-bromobutane are possible? […]
Chemistry Chapter 6 Which The Nucleophiles Below Would You Choose
Page 1 1. Which of the following would you expect to have the highest boiling point? A) CH3CH2CH2Br B) CH3CH2CH2I C) CH3CH2CH2Cl D) CH3CH2CH2F E) CH3CH2CH3 2. What would be the name of the following? CH3CH2CHBrCHBrCH(CH 3)2 A) 3,4-dibromo-2-methylhexane B) […]
Chemistry Chapter 7 If the concentration of NaOH is doubled in the following
Page 1 1. Indicate the expected major product of the following reaction: CH3 CH3 Cl NaOEt ? A) CH3 OEt CH3 B) CH3 CH3 C) CH3 CH3 D) CH3 OEt CH3 E) CH3 CH2 Page 2 2. If the concentration […]
Chemistry Chapter 8 What would be the name of the following compound?
Page 1 1. To which side, if any, would the following equilibrium lie? H3C CH H3C OH H3C CH H3C O– Na++ NaOH + H2O A) to the left B) to the right C) equally to the right and left […]
Chemistry Chapter 9 Which of the following would you expect to have the
Page 1 1. What would be the product of the following reaction? O CH3 HCH3OH H+ ? A) OH CH3 H OCH3 B) HOH CH3O CH3 C) OH H CH3O CH3 D) HOH H3C OCH3 E) OH HCH2 2. What […]