Raoult's Law relates the vapor pressure of the solvent above the solution to its mole fraction in the solution. Which of the following is an accurate statement?

A.	Raoult's Law applies exactly to all solutions.

B.	Raoult's Law works best when applied to concentrated solutions.

C.	Raoult's Law works best when applied to dilute solutions.

D.	Raoult's Law applies only to non-ideal solutions.

E.	None of the above statements is accurate.

An emulsion is a dispersion consisting of a

A.	solid in a liquid.

B.	liquid in a liquid.

C.	gas in a liquid.

D.	liquid in a solid.

E.	gas in a solid.

Saccharin, one of the first non-nutritive sweeteners used in soft-drinks, is 500 times sweeter than sugar in dilute aqueous solutions. The solubility of saccharin is 1.00 gram per 290 mL of solution. What is the molarity of a saturated saccharin solution? M_saccharin = 183.2 g/mol

0.0188 M

0.632 M

1.58 M

3.45 M

E.	none of the above

Colligative properties depend on

A.	the chemical properties of the solute.

B.	the chemical properties of the solvent.

C.	the masses of the individual ions.

D.	the molar mass of the solute.

E.	the number of particles dissolved.

What is the molality of a solution prepared by dissolving 86.9 g of diethyl ether, C₄H₁₀O, in 425 g of benzene, C₆H₆?

0.362 m

0.498 m

2.01 m

2.76 m

E.	none of the above

The smallest ionization energies are found in the ____________ ___________ region of the periodic table.

A.	upper right

B.	upper left

C.	lower right

D.	lower left

E.	transition element (d-block)

The strongest elemental oxidizing agents are found in the _________ _________ region of the periodic table while the strongest reducing agents are found in the ________ ________ region of the periodic table.

A.	upper left, lower right

B.	upper right, lower left

C.	lower left, upper right

D.	lower right, upper left

E.	transition element, main group

Which of the following oxides will give the most basic solution when dissolved in water?

SO₂

CO₂

K₂O

P₄O₁₀

SO₃

Which of the following elements has the lowest electronegativity?

10.

Bromine will form compounds with each of the other elements in Period 4 of the periodic table. How does the type of bonding in the compounds change as one moves from potassium bromide to selenium bromide?

A.	ionic to polar covalent

B.	polar covalent to ionic

C.	polar covalent to non-polar covalent

D.	coordinate covalent to polar covalent

E.	none of the above

11.

Vanillin is used as a flavoring agent. Identify the functional group circled.

aldehyde

ketone

alcohol

D.	carboxylic acid

carbonyl

12.

Glycerin is used in cosmetics as a moisturizer. Identify the functional group circled.

A.	carboxylic acid

alcohol

ester

ether

aldehyde

13.

The reaction of bromine with an alkene such as cyclopentene is a good laboratory test for the presence of a double bond in a compound. What type of reaction is it?

addition

B.	elimination

C.	substitution

D.	displacement

reduction

14.

The compound shown below is responsible for the odor in rancid butter. Identify the functional group circled.

aldehyde

ketone

alcohol

D.	carboxylic acid

carbonyl

15.

Select the correct name for the following compound.

A.	ortho-dibromobenzene

B.	meta-dibromobenzene

C.	para-dibromobenzene

D.	1,4-dibromocyclohexene

E.	1,4-dibromocyclohexane

This is the end of the test. When you have completed all the questions and reviewed your answers, press the button below to grade the test.