Search
Info
Warning
Danger

Study Resources (Chemistry)

17.2   Bimodal Questions 1) A precursor of prostaglandins is __________ acid. A) oleic B) linoleic C) arachidonic D) tauric E) palmitic 2) The name of the reaction that occurs when a fat reacts with sodium hydroxide and water is __________. A) hydrogenation B) reduction C) hydration D) oxidation E) saponification 3) Bile salts are synthesized from __________. A) cephalin B) triacylglycerols C)  pancreas D) cholesterol E) lecithin 4) Cholesterol.
0 Views
View Answer
31) The products of the saponification of a fat are A) the esters of fatty acids. B) fatty acids and glycerol. C) salts of fatty acids. D) salts of fatty acids and glycerol. E) phospholipids. 32) Glycerophospholipids can interact both with other lipids and water because they contain both __________ and __________. A) single bonds; double bonds B).
0 Views
View Answer
15.1   Multiple-Choice Questions 1) A carbohydrate that gives two molecules when it is completely hydrolyzed is known as a A) monosaccharide. B) disaccharide. C) polysaccharide. D) starch. E) trisaccharide. 2) Which group of carbohydrates cannot be hydrolyzed to give smaller molecules? A) monosaccharides B) disaccharides C) trisaccharides D) oligosaccharides E) polysaccharides 3) A monosaccharide that consists of 5 carbon atoms, one of which.
4 Views
View Answer
41) What is the product when the following compound is oxidized?       A) diethyl ketone B) 2-pentene C) pentanal D) diethyl ether E) pentane 42) Which compound will undergo oxidation to yield cyclopentanone? A) pentanol B) cyclopentane C) cyclopentanol D) methylcyclobutanol E) cyclopentene 43) When two molecules of methanol are heated with acid,what is the product? A) CH3-OH B) CH3 - O.
0 Views
View Answer
16.2   True-False Questions 1) Carboxylic acids are responsible for the sweet taste of fruits and vegetables. 2) The major acidic component of vinegar is formic acid. 3) Alpha-hydroxy acids should be used at concentrations under 10% in skin care products. 4) It is always safe to use any commercial skin care product without doing.
0 Views
View Answer
11) What kind of taste do carboxylic acids have? A) sweet B) sour C) fruity D) slippery E) oily 12) W hat is the common name for ethanoic acid? A) butyric acid B) formic acid C) citric acid D) stearic acid E) acetic acid 13) What is the irritating acid found in ant and bee stings? A) acetic acid B) formic acid C) citric acid D).
0 Views
View Answer
11) Hydration is used to convert alkenes and alkynes to alkanes. 12) Hydrogenation of unsaturated vegetable oils raises the melting point and makes them more solid. 13) Halogenation is the process of adding chlorine or similar elements to an alkene or alkyne. 14) Markovnikov's rule states that when a hydrogen halide adds to.
0 Views
View Answer
31) In the figure above, the monosaccharide unit on the right is a(n) A) aldopentose. B) ketopentose. C) aldohexose. D) aldoheptose. E) ketohexose. 32) Hydrolysis of the disaccharide above gives the monosaccharides A) fructose and ribose. B) fructose and galactose. C) ribose and glucose. D) ribose and galactose. E) fructose and lactose. 33) The disaccharide above contains a(n) __________-glycosidic linkage. A) α-1,4 B) β-1,4 C).
0 Views
View Answer
41) Which of the following is NOT a lipoprotein that carries nonpolar lipids through the bloodstream? A) sphingosine B) LDL C) HDL D) VLDL E) chylomicron 42) The steroid hormone that increases the blood glucose and glycogen levels from fatty acids and amino acids is A) aldosterone. B) progesterone. C) cortisone. D) estrogen. E) prednisone. 43) The steroid hormone present in birth.
0 Views
View Answer
21) Galactose has the structure shown below.  It can be classified as a(n) A) ribose. B) ketose. C) disaccharide. D) monosaccharide. E) ketone. 22) Galactose has the structure shown below.  Which anomer is shown? A)  the α anomer B)  the β anomer C) the  D anomer D) the  L anomer E) none of the above 23) The conversion between α.
0 Views
View Answer
  Choose the type of compound from Column 2 that best matches each item in Column 1. A) haloalkane B) cycloalkane C) alkane D) alkene E) cycloalkene 12) CH3- CH = CH-CH3 13) CH4 14) 15) CH3CH2Cl 16) 17) Select the correct name for each figure.   A) p-chlorotoluene B) toluene C) ethylbenzene D) 1-chloro-3-methylcyclohexane 18) 19) .
1 Views
View Answer
31) When compared to sulfuric acid, how strong are carboxylic acids? A) stronger B) just as strong C) weaker D) not acidic at all 32) In water solution, how does dilute acetic acid behave? A) as a strong acid B) as a weak acid C) as a strong base D) as a weak base E) as a neutral compound 33) Which.
0 Views
View Answer
15.4   Matching Questions A) fructose B) amylose C) maltose D) sucrose E) glycogen 1) a carbohydrate that cannot be digested by humans 2) a disaccharide that occurs as a breakdown product of starch 3) a carbohydrate that stores energy in the human body 4) a carbohydrate that is used to build cell walls in plants 5) a monosaccharide that combines.
1 Views
View Answer
12.2   True/False Questions 1) Propylene is used to induce ripening in fruits. 2) Alkynes contain double bonds. 3) An alkynes containing three carbons is named propyne. 4) Fragrances and flavors are often compounds with more than one functional group (for example, an alkene that also contains an aldehyde). 5) Light-induced cis-trans isomerization is an important.
0 Views
View Answer
21) Ketones  are reduced to secondary alcohols. 22) Benedict's test can be used to determine whether an α-hydroxyaldehyde functional group is present. 23) An acetal is formed from an aldehyde or ketone and one molecule of alcohol. 24) A hemiacetal has  alkoxy and hydroxyl functional groups bonded to the same carbon. 25) Glucose forms.
0 Views
View Answer
13.2   True/False Questions 1) Alcohols, ethers, and phenols contain oxygen with only single bonds. 2) Alcohols, ethers, and thiols contain oxygen atoms. 3) Thiols usually have sweet odors. 4) Methanol, 2-propanol, and ethylene glycol are all toxic when ingested. 5) 1,2,3-propanetriol is obtained during the manufacture of soap. 6) Glycerin strongly attracts and holds water, a.
0 Views
View Answer
11) The product of reduction of xylose is xylitol. 12) Sucrose is made up of glucose units only. 13) Galactose is a disaccharide. 14) Sucrose is a disaccharide. 15) The iodine test is used to detect the presence of a reducing sugar. 16) Glucose is stored in animals as glycogen. 17) Amylopectin is a straight-chain polysaccharide. .
0 Views
View Answer
17.3   True/False Questions 1) DNA is a lipid. 2) Steroids do not contain fatty acids. 3) Most plant lipids are saturated lipids. 4) Palmitic acid is an unsaturated fatty acid. 5) Oleic acid is an unsaturated fatty acid. 6) The tail of a triacylglycerol is the nonpolar end. 7) Olestra is a triacylglycerol. 8) Hydrogenation of the double.
0 Views
View Answer
13.3   Matching Questions Identify the product, if any, that would form in each of the following reactions. A)       B)   C) 1) 2) Match the structural formula with the correct functional group. A) thiol B) ether C) alcohol 3) CH3 - CH2 - OH 4) CH3 - CH2 -O - CH3 5) CH3 - CH2 - SH .
1 Views
View Answer
31) What kind of bonds do alcohols form between individual molecules? A) oxygen bonds B) hydrogen bonds C) single bonds D) carbon bonds E) ionic bonds 32) The dehydration of an alcohol in the presence of a strong acid yields A) an alkane. B) an alkene. C) a ketone. D) an alcohol. E) an aldehyde. 33) The dehydration product of CH3.
0 Views
View Answer
51) In this diagram of a cell membrane, the small branched object labeled (A) is part of a A) steroid. B) hydrophobic region. C) membrane protein. D) glycerophospholipid. E) carbohydrate side chain. 52) In this diagram of a cell membrane, the objects labeled (E) are A)  steroids. B)  hydrophobic regions. C)  proteins. D)  phospholipids. E) carbohydrate side chains. 53) In.
0 Views
View Answer
11) A phenol has an -OH group bonded to a(n) A) singly substituted or unsubstituted carbon. B) disubstituted carbon. C) trisubstituted carbon. D) aromatic carbon. E) tetrasubstituted carbon. 12) Thiols have structures similar to alcohols except that they contain A) three alcohol groups. B) more than one carbon. C) sulfur in place of oxygen in the functional.
0 Views
View Answer
  Match the following. A) lower B) higher C) fatty acids D) hydrogenation E) animals F) ester G) hydrolysis H) unsaturated I) glycerin J) cholesterol K) soap L) sphingolipids M) insoluble in water N) plants 1) Triacylglycerols are formed from glycerol and __________. 2) a lipid that cannot be hydrolyzed 3) the functional group of triacylglycerols 4) a fatty acid with at least one double bond 5) phospholipids that do.
0 Views
View Answer
11) Dioxanes are aromatic compounds that contain two oxygen atoms in the ring. 12) Alcohols form hydrogen bonds; this accounts for their higher boiling points when compared to similar-sized alkanes. 13) The oxygen atom in alcohols decreases water solubility of the molecule. 14) Phenols behave as weak acids in water. 15) Alcohols can.
0 Views
View Answer
  Select the correct name for the following. A) diethyl ether B) propane sulfide C) 1-ethyl-3- hydroxycyclohexene D) m-ethylphenol E) propanethiol 6) CH3 - CH2 – CH2 - SH 7) CH3 - CH2 - O - CH2 - CH3 8) Classify the alcohols shown in column 1 as primary, secondary, or tertiary. A) primary B) secondary C) tertiary 9) CH3 - CH2 -.
1 Views
View Answer
11) What is the name of this compound? A) 2-pentanone B) methyl propyl ketone C) 3-methyl-2-butanone D) 2-methyl-3-butanone E) 2-methyl-3-ketone butane 12) Three functional groups found in this  compound are A) alcohol, aromatic, and ether. B) alcohol, aldehyde, and ether. C) alcohol, ether, and ketone. D) aldehyde, ether, and carboxylic acid. E) cycloalkene, alcohol, and carboxylic acid. 13) Which of the following.
0 Views
View Answer
11) A polyunsaturated fatty acid contains more than one A) carboxyl group. B) hydroxyl group. C) carbonyl group. D) long carbon chain. E) double bond. 12) Unsaturated fatty acids have lower melting points than saturated fatty acids because A) they have fewer hydrogen atoms. B) they have more hydrogen atoms. C) their molecules fit closely together. D) the cis double.
0 Views
View Answer
12.3   Matching Questions Match the following organic structures with the appropriate functional group. A) alkane B) cycloalkane C) cycloalkene D) alkene E) aromatic compound 1) 2) CH3CH2CH2CH3 3) 4) A)   B)   C) D) E) F)   G) H) I) J) K)   L) 5) 6) 7) 8) 9) 10)            11) +    → .
0 Views
View Answer
11) Sodium benzoate is a common preservative. 12) Citric acid is an important part of glycolysis. 13) The Krebs cycle is a process that the cell uses to produce energy. 14) The Krebs cycle and the citric acid cycle are different processes. 15) Carboxylic acids are strong acids. 16) Esters are formed from the reaction.
0 Views
View Answer
17.1   Multiple-Choice Questions 1) Which statement is NOT true? A) Lipids are found in cell membranes. B) Lipids are soluble in organic solvents. C) There are many different types of lipids. D) All lipids contain fatty acids. E) Some hormones are lipids. 2) A) wax B) triacylglycerol C) glycerolphospholipid D) glycosphingolipid E) steroid 3) A) triacylglycerol B) wax C) glycerolphospholipid D) bile salt E) steroid 4) A).
6 Views
View Answer
15.3   True/False Questions 1) A monosaccharide can be hydrolyzed to smaller units. 2) Fructose is also known as dextrose. 3) Fructose is a ketohexose. 4) In the α anomer of glucose, the OH on carbon 1 is above the plane of the ring. 5) A reducing sugar gives a precipitate of silver metal with Benedict's.
0 Views
View Answer
31) The addition of hydrogen to an organic compound or the loss of oxygen is called A) reduction. B) oxidation. C) dehydration. D) halogenation. E) hydration. 32) The hydrogenation of 2-methylpropanal gives the product A) 1-butanol. B) 2-methylpropanoic acid. C) 2-methyl-3-propanol. D) 2-methyl-1-propanol. E) 2-methyl-2-propanol. 33) Which of the following ketones is the most soluble in water? A) B) C) D) E) 34).
0 Views
View Answer
21) The structural formula of the carboxylic acid produced by the oxidation of 2,2-dimethyl-1-propanol is A) B) C) D) E) 22) A carboxylic acid is named in the IUPAC system by replacing the -e in the name of the parent alkane with A) -oic acid. B) -oic. C) -carboxylic acid. D) acid. E) -oate. 23) Which carboxylic acid.
0 Views
View Answer
21) What is the name of this compound? A) 2-methylbutanone B) 3-methyl-2-butanone C) 2-methyl-3-butanone D) 3-methylbutanone E) pentanone 22) Formalin is A) another name for formaldehyde. B) a plastic. C) an aqueous solution of formaldehyde. D) an excellent solvent. E) a polymer. 23) Acetone is a ketone commonly used as a A) preservative. B) flavoring agent. C) fuel. D) solvent. E) drain cleaner. 24) The ketone with the.
0 Views
View Answer
11) Excessive exposure to formaldehyde can irritate the eyes and respiratory tract. 12) A major flavor component of vanilla is an aldehyde. 13) The carbonyl group gives aldehydes higher boiling points than alkanes of similar mass. 14) The carbonyl group gives ketones lower boiling points than alkanes of similar mass. 15) Carbonyl compounds having.
0 Views
View Answer
51) What is the molecular formula of benzene? A) C6H4 B) C6H6 C) C6H8 D) C6H10 E) C6H12 52) What is the name of the compound below? A) p-chlorotoluene B) o-chlorotoluene C) m-chlorotoluene D) 1-chloro-2-methyltoluene E) 2-chloro-1-methyltoluene 53) The name of the compound shown below is A) o-ethylmethylcyclohexane. B) m-ethylmethylcyclohexane. C) o-ethyltoluene. D) m-ethyltoluene. E) p-ethyltoluene. 54) Which of the following names are correct? A) 4-bromo-2-ethylbenzene B) 1-chloro-3-propylbenzene C) 3-bromo-4-chlorobenzene D) 2,2-dibromobenzene E).
0 Views
View Answer
11) The breakdown of glucose to chemical energy for the cells to do work is an example of A) oxidation. B) respiration. C) reduction. D) anabolism. E) mutarotation. 12) Photosynthesis uses __________ as an energy source. A) glucose B) carbon dioxide C) chlorophyll D) oxygen E) sunlight 13) Fructose does not undergo hydrolysis because it is a A) aldose. B) hexose. C) reducing sugar. D) monosaccharide. E).
0 Views
View Answer
16.1   Multiple-Choice Questions 1) Which functional group is a carboxylic acid? A) - OH B) C) D) E)  - CH2OH 2) The functional group in acetic acid is called the A) hydroxyl group. B) aldehyde group. C) carbonyl group. D) carboxyl group. E) ester group. 3) Which of the following is found in vinegar? A) nitric acid B) formic acid C) acetic acid D).
4 Views
View Answer
14.3   Matching Questions Select the correct name for the following. A) propanal B) 1-propanone C) diethyl ketone D) 3-propanone 1) 2) Match the structural formula with the correct functional group.   A) aldehyde B) ether C) ketone 3) 4) 5) CH3CH2OCH3 6) Identify the product, if any, that would form in each of the following reactions. A) no reaction B) C) CH3CH2CH3 D) CH3CH2OH E) F) .
2 Views
View Answer
11) Sphingolipids contain fatty acids. 12) Many sex hormones are steroids. 13) Excess cholesterol in the blood can lead to a build up of plaque. 14) Bile salts help in the digestion of proteins. 15) In the fluid-mosaic model of cell membranes, the lipid molecules are oriented with their heads to the outside of.
0 Views
View Answer
14.2   True/False Questions 1) All aldehydes have a carbonyl carbon bonded to at least two hydrogens. 2) Many odors from solvents, paint removers, and perfumes are derived from aldehydes or ketones. 3) In a ketone, the carbonyl group is bonded to two other carbon atoms. 4) The carbonyl group consists of a carbon-oxygen single.
0 Views
View Answer