Practice Test 1
Note: These questions are representative of the types you can expect on the test.
The actual test will be longer, typically between 20-40 questions.
You will need to bring a SCANTRON and pencil to each class test.
Instructions: Select the best answer then click on "get answer" box.
Question 1.Which of the following liquids would make a good solvent for the non-polar substance, iodine, I2?
Question 2. Calculate the molality of a solution containing 14.3 g of NaCl in 42.2 g of water
Question 3. The solubility of CO2 gas in water:
Question 4. Calculate the freezing point of a solution made from 22.0 g of
octane (C8H18) dissolved in 148.0.g of benzene.
Benzene freezes at 5.50 oC and its Kf value is 5.12 oC/m
Question 5. A solution that contains 55.0 g ascorbic acid (vitamin C) in 250 g of water freezes at - 2.34 oC.
Calculate the molar mass (g/mol) of the solute.
Kf (water) = 1.86 oC/m
Question 6. Calculate the mole fraction of ethanol (CH3CH2OH, molar mass = 46.0 g/mol) in a solution that contains 46 g of ethanol and 64 g of methanol (CH3OH)
Question 7. The general formula of an alkane is
Question 8. Which of the following molecules is unsaturated?
Question 9. How many structural isomers are there of C4H10?
Question 10. The following two molecules are examples of what?
CH3-CH2-O-CH2-CH3 and CH3-CH2-CH2-CH2-OH
Question 11. Which of the following is the formula for an ether?
Question 12. Which type of organic group does not contain a carbonyl group?
Question 13. Which is the most likely main product of the reaction of one mole of HCl wth one mole of CH3-CH2-CH=CH2
Question 14. Which is an organic compound containing the -NH2 group?
Question 15. Which functional group tends to confer acidic properties upon an organic substance?
Question 16. What is the systematic name for the following compound?
Question 17. The correct structure for 2,3,3-trimethylpentane is
Question 18. The correct name for the following compound is