Question 1

Which of the following cannot serve as a solvent in a solution?

Accepted Answer

A)  a gas 
B)  a liquid 
C)  a solid 
D)  None, all can serve as solvents. 
A)  a gas 
B)  a liquid 
C)  a solid 
D)  None, all can serve as solvents.

Question 2

Which of the following is true of methanol, CH3OH, when it dissolves in water?

Accepted Answer

A)  It dissociates into ions. 
B)  It forms covalent bonds with water. 
C)  It forms hydrogen bonds with water. 
D)  None of the above, methanol does not dissolve in water. 
A)  It dissociates into ions. 
B)  It forms covalent bonds with water. 
C)  It forms hydrogen bonds with water. 
D)  None of the above, methanol does not dissolve in water.

Question 3

The term solution is synonymous with which of the following?

Accepted Answer

A)  compound 
B)  element 
C)  heterogeneous mixture 
D)  homogeneous mixture 
A)  compound 
B)  element 
C)  heterogeneous mixture 
D)  homogeneous mixture

Question 4

Which of the following relates the name of an electrode to its sign?

Accepted Answer

A)  The anode is the positive electrode. 
B)  The cathode is the negative electrode. 
C)  both a and b 
D)  neither a nor b 
A)  The anode is the positive electrode. 
B)  The cathode is the negative electrode. 
C)  both a and b 
D)  neither a nor b

Question 5

When a certain clear red-brown liquid passes through a filtering apparatus no material is collected on the filter. What can be said about this liquid?

Accepted Answer

A)  It is an element. 
B)  It is a compound. 
C)  It is a solution. 
D)  We cannot determine if it is an element, a compound or a solution. 
A)  It is an element. 
B)  It is a compound. 
C)  It is a solution. 
D)  We cannot determine if it is an element, a compound or a solution.

Question 6

Appreciable amounts of solid iodine, I2, can be dissolved in which of the following solvents?

Accepted Answer

A)  benzene 
B)  water 
C)  both a and b 
D)  neither a nor b 
A)  benzene 
B)  water 
C)  both a and b 
D)  neither a nor b

Question 7

The Tyndall effect is associated with which of the following?

Accepted Answer

A)  keeping colloidal particles from settling 
B)  light scattering by colloidal particles 
C)  both a and b 
D)  neither a nor b 
A)  keeping colloidal particles from settling 
B)  light scattering by colloidal particles 
C)  both a and b 
D)  neither a nor b

Question 8

Which of the following gases is associated with the bends?

Accepted Answer

A)  CO2 
B)  NO2 
C)  N2 
D)  O2 
A)  CO2 
B)  NO2 
C)  N2 
D)  O2

Question 9

A student is preparing a sugar water solution to make rock candy. When the student continues to add sugar to the solution the sugar dissolves. Which kind of solution does the student have?

Accepted Answer

A)  a saturated solution 
B)  a supersaturated solution 
C)  an unsaturated solution 
D)  We cannot tell. 
A)  a saturated solution 
B)  a supersaturated solution 
C)  an unsaturated solution 
D)  We cannot tell.

Question 10

Which of the following is associated with gout?

Accepted Answer

A)  anhydrous calcium sulfate 
B)  anhydrous sodium urate 
C)  calcium sulfate dihydrate 
D)  sodium urate monohydrate 
A)  anhydrous calcium sulfate 
B)  anhydrous sodium urate 
C)  calcium sulfate dihydrate 
D)  sodium urate monohydrate

Question 11

Which of the following is associated with cells in a hypotonic solution?

Accepted Answer

A)  crenation 
B)  hemolysis 
C)  reverse osmosis 
D)  none of these 
A)  crenation 
B)  hemolysis 
C)  reverse osmosis 
D)  none of these

Question 12

When a certain clear red-brown liquid is distilled we recover a clear liquid and a red-brown solid? What can be said about the red-brown liquid?

Accepted Answer

A)  It is an element. 
B)  It is a compound. 
C)  It is a solution. 
D)  We cannot determine if it is an element, a compound or a solution. 
A)  It is an element. 
B)  It is a compound. 
C)  It is a solution. 
D)  We cannot determine if it is an element, a compound or a solution.

Question 13

What volume of 12.0 M HCl must be used to make 300. mL of 0.600 M HCl?

Accepted Answer

A)  1.50 mL 
B)  2.40 mL 
C)  15.0 mL 
D)  24.0 mL 
A)  1.50 mL 
B)  2.40 mL 
C)  15.0 mL 
D)  24.0 mL

Question 14

Which of the following is a weak electrolyte?

Accepted Answer

A)  HCl 
B)  CH3COOH 
C)  both a and b 
D)  neither of them 
A)  HCl 
B)  CH3COOH 
C)  both a and b 
D)  neither of them

Question 15

Consider the following graph.  
-Which substance is the most soluble in 100 mL of water at 80 °C?

Accepted Answer

A)  A 
B)  B 
C)  C 
A)  A 
B)  B 
C)  C

Question 16

A solution is prepared by dissolving 53.5 grams of ammonium chloride, NH4Cl in 4000. grams of water? What is the boiling point of this solution? [The boiling point elevation constant for water is 0.52°C/mole solute in 1000g of water]

Accepted Answer

A)  100.13°C 
B)  100.26°C 
C)  100.39°C 
D)  100.52°C 
A)  100.13°C 
B)  100.26°C 
C)  100.39°C 
D)  100.52°C

Question 17

Which of the following combinations will always result in a solution?

Accepted Answer

A)  gas + gas 
B)  liquid + liquid 
C)  solid + solid 
D)  none of these 
A)  gas + gas 
B)  liquid + liquid 
C)  solid + solid 
D)  none of these

Question 18

Which of the following is true of the formula weights of a material which exists in both anhydrous and hydrated forms?

Accepted Answer

A)  They have the same formula weight. 
B)  The hydrated form always has a lower formula weight. 
C)  The hydrated form always has a higher formula weight. 
D)  We cannot make any general statement about the formula weights of the two forms. 
A)  They have the same formula weight. 
B)  The hydrated form always has a lower formula weight. 
C)  The hydrated form always has a higher formula weight. 
D)  We cannot make any general statement about the formula weights of the two forms.

Question 19

Rainwater is naturally slightly acidic. Which gas causes this?

Accepted Answer

A)  N2 
B)  O2 
C)  CO2 
D)  SO2 
A)  N2 
B)  O2 
C)  CO2 
D)  SO2

Question 20

Which of the following aqueous solutions will have the highest osmolarity?

Accepted Answer

A)  0.1 M ethylene glycol, C2H6O2 
B)  0.1 M glucose, C6H12O6 
C)  0.1 M sucrose, C12H22O11 
D)  All have the same osmolarity. 
A)  0.1 M ethylene glycol, C2H6O2 
B)  0.1 M glucose, C6H12O6 
C)  0.1 M sucrose, C12H22O11 
D)  All have the same osmolarity.

Exam 6: Solutions and Colloids

Which of the following cannot serve as a solvent in a solution?

Which of the following is true of methanol, CH3OH, when it dissolves in water?

The term solution is synonymous with which of the following?

Which of the following relates the name of an electrode to its sign?

When a certain clear red-brown liquid passes through a filtering apparatus no material is collected on the filter. What can be said about this liquid?

Appreciable amounts of solid iodine, I2, can be dissolved in which of the following solvents?

The Tyndall effect is associated with which of the following?

Which of the following gases is associated with the bends?

A student is preparing a sugar water solution to make rock candy. When the student continues to add sugar to the solution the sugar dissolves. Which kind of solution does the student have?

Which of the following is associated with gout?

Which of the following is associated with cells in a hypotonic solution?

When a certain clear red-brown liquid is distilled we recover a clear liquid and a red-brown solid? What can be said about the red-brown liquid?

What volume of 12.0 M HCl must be used to make 300. mL of 0.600 M HCl?

Which of the following is a weak electrolyte?

Consider the following graph. -Which substance is the most soluble in 100 mL of water at 80 °C?

A solution is prepared by dissolving 53.5 grams of ammonium chloride, NH4Cl in 4000. grams of water? What is the boiling point of this solution? [The boiling point elevation constant for water is 0.52°C/mole solute in 1000g of water]

Which of the following combinations will always result in a solution?

Which of the following is true of the formula weights of a material which exists in both anhydrous and hydrated forms?

Rainwater is naturally slightly acidic. Which gas causes this?

Which of the following aqueous solutions will have the highest osmolarity?

Matter, Energy, and Measurement

Atoms

Chemical Bonds

Chemical Reactions

Gases, Liquids, and Solids

Reaction Rates and Chemical Equilibrium

Acids and Bases

Nuclear Chemistry

Organic Chemistry

Alkanes

Alkenes and Alkynes

Benzene and Its Derivatives

Alcohols, Ethers, and Thiols

Chirality: the Handedness of Molecules

Amines

Aldehydes and Ketones

Carboxylic Acids

Carboxylic Anhydrides, Esters, and Amides

Carbohydrates

Lipids

Proteins

Enzymes

Chemical Communications: Neurotransmitters and Hormones

Nucleotides, Nucleic Acids, and Heredity

Gene Expression and Protein Synthesis

Bioenergetics: How the Body Converts Food to Energy

Specific Catabolic Pathways: Carbohydrate, Lipid, and Protein Metabolism

Biosynthetic Pathways

Nutrition

Immunochemistry

Body Fluids

Filters

Which of the following is true of methanol, CH₃OH, when it dissolves in water?

Appreciable amounts of solid iodine, I₂, can be dissolved in which of the following solvents?

A solution is prepared by dissolving 53.5 grams of ammonium chloride, NH₄Cl in 4000. grams of water? What is the boiling point of this solution? [The boiling point elevation constant for water is 0.52°C/mole solute in 1000g of water]