General Chemistry
Test Questions
Course Introduction
General Chemistry introduces the fundamental principles of chemistry, including atomic and molecular structure, chemical bonding, stoichiometry, states of matter, solutions, thermochemistry, equilibrium, acids and bases, and basic concepts of kinetics and electrochemistry. The course emphasizes the development of problem-solving skills, laboratory techniques, and scientific reasoning through lectures, discussions, and hands-on experiments, providing a comprehensive foundation for further studies in chemistry and related scientific fields.
Recommended Textbook
General Organic and Biochemistry An Applied Approach 2nd Edition by James Armstrong
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Chapter 1: Measurements in Science and Medicine
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Sample Questions
Q1) At what temperature do the temperatures on the Celsius and Kelvin scales have the same numerical value?
A)- 40
B)0
C)32
D)There is no value where the two scales are the same.
Answer: D
Q2) Which of the following is not a base unit of the metric system?
A)g
B)g/L
C)L
D)All are base units.
Answer: B
Q3) To convert micrograms to grams, you should multiply by 1,000,000 g/ g.
A)True
B)False
Answer: False
Q4) If the box were placed on a balance, a unit that might appear on the balance read-out would be _______________________.
Answer: kg
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Chapter 2: Atoms, Elements, and Compounds
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Sample Questions
Q1) Compound consists of five atoms of carbon, ten atoms of hydrogen, and five atoms of oxygen. The formula for this compound is A)CH<sub>2</sub>O.
B)C<sub>10</sub>H<sub>5</sub>O<sub>10</sub>.
C)C<sub>5</sub>H<sub>10</sub>O<sub>5</sub>.
D)C<sub>5</sub>H<sub>10</sub>O<sub>10</sub>.
Answer: C
Q2) Group 4A and Group 14 are two different designations for the same column of the periodic table.
A)True
B)False
Answer: True
Q3) Based on the text periodic table and using the correct number of significant figures, enter the appropriate number in the blank. The mass of 7.00 mol of sodium chloride, NaCl, is _____________g. Answer: 409
Q4) <sup>14</sup>N and <sup>15</sup>O have the same number of
Answer: neutrons
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Chapter 3: Chemical Bonds
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Sample Questions
Q1) An ionic bond is associated with which of the following?
A)interactions between nuclei
B)equal sharing of electrons
C)unequal sharing of electrons
D)the transfer of electrons
Answer: D
Q2) The formula for the ionic compound formed contains two_______________________ions and three ______________________ions.
Answer: Al,S
aluminum,sulfur
aluminum,sulfide
Al,sulfur
Al,sulfide
aluminum,S
Q3) In the Lewis structure for phosgene, the _____________________atom has four nonbonding electrons.
Answer: O
oxygen
Q4) The central atom in phosgene is_____________________.
Answer: C
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Chapter 4: Energy and Physical Properties
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Sample Questions
Q1) What is the specific heat of a substance if it requires 475 cal to raise the temperature of a 67-gram sample from 25°C to 43°C?
Q2) The use of the energy in food by the body to cause a muscle to contract is an example of
A)conversion of heat energy into potential energy.
B)conversion of kinetic energy into potential energy.
C)conversion of potential energy into kinetic energy.
D)conversion of kinetic energy into heal energy.
Q3) Which of the following phase changes does not involve a solid?
A)evaporation
B)melting
C)sublimation
D)freezing
Q4) The 175 g of He was added to the cylinder. The pressure reading ______________________.
Q5) The pressure of a gas is dependent on temperature.
A)True
B)False
Q6) When you inhale and exhale does your rib cage raise or lower? Why?
Q7) The substance capable of hydrogen bonding is _____.
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Chapter 5: Solution Concentration
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Sample Questions
Q1) Solution contains 55 mg of magnesium in 2.5 L of solution. The concentration of this solution is 2.2 mg/dL.
A)True
B)False
Q2) How would the following solution be classified? 0.05 M in KCl and 0.14 M in glucose
A)isotonic
B)hypertonic
C)hypotonic
Q3) How many grams of solid KCl are needed to prepare 250.0 mL of 0.235 M solution?
A)9.32 g
B)31.3 g
C)15.6 g
D)4.38 g
Q4) The solubility of a compound in water was measured and found to be 0.7 g/L. This compound would be classified as insoluble.
A)True
B)False
Q5) Upon standing the sucrose molecules will move in which direction?
Q6) Upon standing the glucose molecules will move in which direction?
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Chapter 6: Chemical Reactions
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Sample Questions
Q1) A block of iron forming a pool of the liquid metal is correctly classified as A)a chemical change.
B)a physical change.
C)both a chemical and a physical change.
D)neither a chemical nor a physical change.
Q2) The Haber Process is a method for the production of ammonia, an important chemical intermediate. The reaction for this process is: N<sub>2</sub> + 3H<sub>2</sub> 2NH<sub>3</sub> When the equation is correctly interpreted in terms of moles, how many moles of H<sub>2</sub> will react with one mole of N<sub>2</sub>?
A)1
B)2
C)3
D)6
Q3) The activation energy of the catalyzed reaction is represented by_____________________.
Q4) A catalyst is added to the reaction mixture. ____________________
Q5) The copper metal is ground into a very fine powder. ______________________
Q6) The temperature of the reaction is decreased. _____________________
Page 8
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Chapter 7: Acids and Bases
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Sample Questions
Q1) In the reverse reaction, __________________________ion functions as an acid.
Q2) The range of breaths per minute, also known as respiratory rate, for a normal, healthy adult is 12-20 breaths per minute. A breathing rate of higher than this is termed hyperventilation.
A)True
B)False
Q3) Buffer 1 works in conjunction with buffer ____________________to regulate the pH of intracellular fluid.
Q4) Which of the following substances can react with both HCl and NaOH?.
A)Ca(HCO<sub>3</sub>)<sub>2</sub>
B)KCl
C)CH<sub>3</sub>CH<sub>2</sub>NH<sub>2</sub>
D)H<sub>2</sub>C<sub>2</sub>O<sub>4</sub>
Q5) Human blood contains which of the following buffers?
A)protein-H<sup>+</sup>/protein
B)H<sub>2</sub>PO<sub>4</sub><sup>-</sup>/HPO<sub>4</sub><sup>2-</sup>
C)H<sub>2</sub>CO<sub>3</sub>/HCO<sub>3</sub><sup>-</sup>
D)All of the above are involved.
Q6) If KOH were added to the buffer solution the pH of the solution would __________.
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Chapter 8: Nuclear Chemistry
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Sample Questions
Q1) A scintillation counter is more sensitive in measuring radiation than a Geiger counter.
A)True
B)False
Q2) Which of the following correctly ranks the amount of energy produced in the reactions given from smallest to largest?
A)burn 1 g carbon < fission 1 g uranium < fusion 1 g hydrogen
B)fission 1 g uranium < burn 1 g carbon < fusion 1 g hydrogen
C)burn 1 g carbon < fusion 1 g hydrogen < fission 1 g uranium
D)burn 1 g carbon < fission 1 g uranium = fusion 1 g hydrogen
Q3) What is the element produced by the alpha decay of <sup>243</sup>Am ?
A)Bk
B)Np
C)Pa
D)Es
Q4) This type of radiation can produce "secondary" X-ray photons. _____
Q5) A common questions asked of every patient admitted to a hospital is 'Have you experienced an unexpected/unintentional weight loss of 15 or more pounds in the last three months'. Why do think this is an important question to ask? What could it be alluding to?
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Chapter 9: Hydrocarbons: An Introduction to Organic Molecules
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Sample Questions
Q1) Of the compounds listed here, which one is not a constitutional isomer of the other three?
A)2,3-dimethylpentane
B)3-methylhexane
C)3-ethylpentane
D)2,2-dimethylbutane
Q2) Which of the following is a correct IUPAC name?
A)1-methylhexane
B)2-ethylhexane
C)3-propylhexane
D)None, they are all incorrect.
Q3) Draw the condensed structural formula of 3-ethyl-3-methylhexane.
Q4) Structure ____________________ will have the lowest melting point.
Q5) Structure ______________________is most likely to be least reactive.
Q6) During the complete combustion of benzene, if 9.55 g of benzene were consumed what mass of oxygen in grams would be needed?
Q7) The IUPAC name for this substance is____________.
Q8) The balanced equation for the combustion of structure _______________________ would required the largest coefficient for O<sub>2</sub>. Page 11
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Chapter 10: Hydration, Dehydration, and Alcohols
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Sample Questions
Q1) When phenol dissolves in water, the solution is
A)basic.
B)acidic.
C)neutral
Q2) Which of the following alcohols is least soluble in water?
A)2-butanol
B)2-heptanol
C)2-pentanol
D)2-hexanol
Q3) Which of the following is not a characteristic of an enzyme?
A)can react with both reactant enantiomers
B)increase the speed of reactions
C)proteins involved in biological reactions
D)selectively produce one product
E)All are characteristic of an enzyme.
Q4) Structure _________________could hydrogen bond to water to the greatest extent.
Q5) Structure ______________________ is a thiol.
Q6) Structure ___________________ would be the most soluble in water.
Q8) Structure___________________would have the lowest boiling point. Page 13
Q7) Structure_____________________ could be used to produce an alkene.
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Chapter 11: Carbonyl Compounds and Redox Reactions
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Sample Questions
Q1) An oxidation reaction involves the addition of hydrogen atoms to an organic compound.
A)True
B)False
Q2) The product of the dehydrogenation of an alkene would be an alkane.
A)True
B)False
Q3) Which of the following redox coenzymes is primarily a reactant in reduction reactions?
A)NAD<sup>+</sup>
B)FAD
C)NADP<sup>+</sup>
D)NADPH
Q4) Step 6 converts the -CH<sub>2</sub>-CH<sub>2</sub>- of succinate to the -CH=CH- of fumarate. This reaction would be classified as a(n) ______________________ reaction.
Q5) Oxidation of a thiol produces a disulfide.
A)True B)False
Q6) The reactant of step 5 is _______________________.
Page 15
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Chapter 12: Organic Acids and Bases
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Sample Questions
Q1) When propanthiol (structure shown below) ionizes in water, a product of the reaction is:
CH<sub>3</sub>-CH<sub>2</sub>-CH<sub>2</sub>-SH A)CH<sub>3</sub>-CH<sub>2</sub>-CH<sub>2</sub>-SH<sub>2</sub><sup>+</sup>
B)CH<sub>3</sub>-CH<sub>2</sub>-CH<sub>2</sub>-OH C)CH<sub>3</sub>-CH<sub>2</sub>-CH<sub>2</sub>-S<sup>-</sup> D)CH<sub>3</sub>-CH<sub>2</sub>-CH<sub>2</sub>-SOH
Q2) Only amino acids can form zwitterions.
A)True
B)False
Q3) The salt of propanoic acid and the sodium ion would be named as sodium propanoate.
A)True
B)False
Q4) Which of the following solutions is most likely to have the lowest pH?
A)0.010 M propanol
B)0.010 M propanoic acid
C)0.010 M propyl amine
D)0.010 M phenol
E)0.010 M propanethiol
Page 16
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Chapter 13: Condensation and Hydrolysis Reactions
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Sample Questions
Q1) ATP provides the metabolic link between anabolism and catabolism.
A)True
B)False
Q2) ATP plays a role in all of the following processes except which one?
A)phosphorylation reactions
B)exothermic reactions
C)membrane transport
D)muscle contraction
Q3) ______________________ can function as a proton acceptor.
Q4) If oxalic acid which contains two carboxylic acids groups and ethylene diamine which contains two amine groups react, the type of bond formed in the polymers is A)an ester.
B)an ether.
C)an amide.
D)a phosphoester.
Q5) _____________________would not increase the H<sub>3</sub>O<sup>+</sup> concentration in the stomach.
Q6) Molecules of structure E can react with KOH in a(n) ___________________ reaction.
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Chapter 14: Proteins
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Sample Questions
Q1) This structure contains _______________________ peptide groups.
Q2) Total nitrogen in the diet must provide enough nitrogen for the synthesis of A)essential amino acids.
B)nonessential amino acids.
C)nonessential amino acids and any other synthesized nitrogen-containing compounds.
D)essential amino acids and any other synthesized nitrogen-containing compounds.
Q3) Albumin is a protein found in blood.
A)True
B)False
Q4) Glycogen phosphorylase breaks down glycogen in the liver to produce glucose-1-phosphate. The activity of this enzyme increases in the presence of AMP. AMP is therefore a negative effector in controlling this pathway.
A)True
B)False
Q5) The secondary structure of proteins is stabilized by covalent bonds.
A)True
B)False
Q6) Draw two ways serine can hydrogen bond with water.
Q7) An effector would bind at ______________________.
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Chapter 15: Carbohydrates
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Sample Questions
Q1) Which of the following is an analog of starch in animals?
A)glycogen
B)cellulose
C)sucrose
D)amylopectin
Q2) contains both a aldopentose and ketohexose
A)sucrose
B)lactose
C)chitin
D)cellulose
E)glycogen
F)amylose
G)galactose
Q3) There are many types of diabetes mellitus (DM).
A)True
B)False
Q4) High fructose corn syrup designated as HFCS 55 contains the same monosaccharides as those produced by sucrose .
A)True
B)False
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Chapter 16: Lipids and Membranes
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Sample Questions
Q1) All of the following are involved in oxidative phosphorylation except which one?
A)O<sub>2</sub> is reduced.
B)NADH is reduced.
C)ATP synthase regulates H<sup>+</sup> migration.
D)With the mitochondrion a concentration gradient is established.
E)All of these are involved in oxidative phosphorylation.
Q2) Glycolysis is the first step in the oxidation of fatty acids to produce energy.
A)True
B)False
Q3) The concentration of K<sup>+</sup> is greater outside a cell than inside. The movement of this ion into the cell is an example of passive transport.
A)True
B)False
Q4) Draw the structure of a 14 carbon, monounsaturated, omega-3 fatty acid.
Q5) During the beta oxidation of the acid, the cycle must be repeated_____times.
Q6) During the beta oxidation of the acid, _____molecules of ATP are consumed.
Q7) Structure ______________________ would represent a saturated fatty acid.
Q8) Linolenic acid is classified as a polyunsaturated fatty acid.
A)True
B)False
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Chapter 17: Nucleic Acids, Protein Synthesis, and Heredity
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Sample Questions
Q1) Which of the following is not part of the backbone of DNA?
A)bases
B)phosphates
C)sugars
D)They are all part of the backbone
Q2) The amino acid name that should be substituted for X is
Q3) Consider the following segment of a DNA strand. (5´) T-A-G-C-T-G (3´)
The letter at the (3´) end of the complementary strand would be "C".
A)True
B)False
Q4) During the process of translation, tRNA, mRNA, and rRNA are involved simultaneously. A)True
B)False
Q5) This nucleic acid would be found in RNA based on the structure indicated with the number_________________.
Q6) Enables the cell to recognize mRNA._____
Q7) The diagram in the image represents the process of
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