YDE High School
Test
Multiple Choice
Identify the choice that best completes the statement or answers the question.
____
1. If a crystal added to an aqueous solution causes many particles to come out of the solution, the original
solution was ____.
a. unsaturated
c. an emulsion
b. saturated
d. supersaturated
____
2. Which of the following substances is less soluble in hot water than in cold water?
a. CO
c. NaNO
b. NaCl
d. KBr
____
3. What is the molarity of a solution that contains 6 moles of solute in 2 liters of solution?
a. 6M
c. 7M
b. 12M
d. 3M
____
4. What is the molarity of a solution containing 7.0 moles of solute in 569 mL of solution?
a. 81M
c. 12M
b. 0.081M
d. 4.0M
____
5. What is the molarity of 200 mL of solution in which 2.0 moles of sodium bromide is dissolved?
a. 2.0M
c. 0.40M
b. 10M
d. 4.0M
____
6. What is the molarity of a solution containing 56 grams of solute in 959 mL of solution? (molar mass of solute
= 26 g/mol)
a. 1.5M
c. 2.1M
b. 2.2M
d. 0.0022M
____
7. What mass of sucrose, C H O , is needed to make 500.0 mL of a 0.200M solution?
a. 34.2 g
c. 17.1 g
b. 100 g
d. 68.4 g
____
8. What mass of Na SO is needed to make 2.5 L of 2.0M solution? (Na = 23 g; S = 32 g; O = 16 g)
a. 178 g
c. 356 g
b. 284 g
d. 710 g
____
9. How many mL of a 2.0M NaBr solution are needed to make 200.0 mL of 0.50M NaBr?
a. 25 mL
c. 100 mL
b. 50 mL
d. 150 mL
____ 10. The volume of 6.00M HCl needed to make 319 mL of 6.80M HCl is ____.
a. 0.128 mL
c. 281 mL
b. 7.8 mL
d. 362 mL
____ 11. If the percent (mass/mass) for a solute is 4% and the mass of the solution is 200 g, what is the mass of solute
in solution?
a. 8.0 g
c. 80 g
b. 50 g
d. 800 g
____ 12. The volume of alcohol present in 620 mL of a 40.0% (v/v) solution of alcohol is ____.
a. 372 mL
c. 248 mL
b. 40.0 mL
d. 580 mL
____ 13. In which of the following is concentration expressed in percent by volume?
a.
c.
100%
100%
b.
100%
d.
100%
____ 14. Which of the following is NOT a colligative property of a solution?
a. boiling point elevation
c. vapor pressure lowering
b. supersaturation
d. freezing point depression
____ 15. Colligative properties depend upon the ____.
a. nature of the solute
b. nature of the solvent
c. number of solute particles in a solution
d. freezing point of a solute
____ 16. What is the name of the functional group in the following compound?
a. halogen
b. ester
c. carbonyl
d. carboxylic acid
____ 17. The most important way to classify organic compounds is by ____.
a. the number of carbon atoms in the longest chain
b. functional group
c. the type of carbon—carbon bonds
d. reactivity
____ 18. What is the common name of the following compound?
a. isopropyl bromide
b. tert-butyl bromide
c. isobutyl bromide
d. sec-butyl bromide
____ 19. Which of the following compounds is trichloromethane?
a.
c.
b.
d.
____ 20. Phenols are characterized by ____.
a. their behavior as gases
b. ether linkages
c. an OH group on a benzene ring
d. their use as flavoring agents
____ 21. What is the common name of the following alcohol?
a. sec-hexyl alcohol
b. tert-hexyl alcohol
c. isohexyl alcohol
d. hexyl alcohol
____ 22. Which of the following compounds is a glycol?
a. CH CH CH CH OH
c. HOH CCH CH CH OH
b. CH CH OCH CH
d. CH CH CH CHO
____ 23. Which pair of formulas represents the same compound?
a. C H OH; CH OCH
c. (CH ) CO; CH OCH
b. CH CH CHO; CH CH COOH
d. CH COH(CH ) ; (CH ) COH
____ 24. Which of the following is true about isopropyl alcohol?
a. It has a relatively high boiling point.
c. It is completely odorless.
b. It is insoluble in water.
d. It is white.
____ 25. Which of the following alcohols is used in antifreeze?
a. ethanol
c. ethylene glycol
b. isopropyl alcohol
d. glycerol
____ 26. What substance is added to an organic molecule to test for the degree of saturation?
a. water
c. bromine
b. hydrogen gas
d. hydrogen bromide
____ 27. In an addition reaction, which bond of the reactant is broken?
a. carbon—carbon single bond
c. carbon—carbon double bond
b. carbon—hydrogen single bond
d. carbon—hydrogen double bond
____ 28. What type of compound is CH OCH CH CH ?
a. alcohol
c. ether
b. aldehyde
d. ketone
____ 29. Which of the following compounds has the lowest boiling point?
a. diethyl ether
c. diphenyl ether
b. 2-butanol
d. 4-octanol
____ 30. The functional group in CH OCH CH CH CH is a(n) ____.
a. ester
b. ether
c. carbonyl
d. carboxyl
____ 31. Name the following compound.
CH CH CH CH OC H
a. cyclohexylbutyl ether
c. phenylbutyl ether
b. butylcyclohexyl ether
d. butylphenyl ether
____ 32. Name the compound CH CH O CH CH CH .
a. diethyl ether
c. ethylpropyl ether
b. dipropyl ether
d. pentane oxide
____ 33. Which of these compounds would you expect to be most soluble in water?
a. CH CH Cl
c. CH CH CH CH
b. CH CH CH F
d. CH CH CH OH
____ 34. Which carbon skeleton represents an ether?
a.
CCCOCCC
b.
c.
d.
none of the above
____ 35. What type of compound is the following?
a. alcohol
b. aldehyde
c. ether
d. ketone
____ 36. What is the name of the following compound?
a. phenylhyde
b. cyclohexylhyde
c. benzaldehyde
d. phenol aldehyde
____ 37. What is the name of the following compound?
a. 2-butanone
b. 2-pentanone
c. 4-butanone
d. 4-pentanone
____ 38. Which carbon skeleton represents an aldehyde?
a.
c.
b.
d.
none of the above
____ 39. Which carbon skeleton represents a ketone?
a.
b.
c.
d.
____ 40. Aldehydes have the general structure ____________.
a.
c.
b.
d.
____ 41. What is the name of the following compound?
a. butane
b. butanal
c. butanol
d. butanone
____ 42. Which of the following compounds has the highest boiling point?
a. 2-pentanone
c. pentene
b. pentane
d. chloropentane
____ 43. Which carbon skeleton contains a carboxyl group?
a.
c.
CCCO
b.
d.
____ 44. Which of the following carbon skeletons represents a carboxylic acid?
a.
c.
CCCCCO
b.
d.
____ 45. Which of the following compounds is known as acetic acid?
a.
c.
b.
d.
CH —CH OH