4. Which of the following is a condensed structural formula of an alkene?
a. CH3 b. CH3CH2CH3 c. C2H2 d. CH CH2

5. Use table 1,2, and 3 found in lesson 1 in your module 3, what pattern do you observe in terms of the boiling point of alkanes,alkanes and alkynes in relation to the number of carbon atoms?
A. As the number of carbon atoms increases, the boiling point decreases
B. If carbon atoms decrases, the boiling point increases
C. The greater the number of carbon atoms the higher the boiling piont
D. None of the above

6. It shows the actual structure of the molecule and gives all the atoms in a sequential order indicating bonding patterns
A. Empirical formula B. Molecular formula C. Structural formula D. None of these

8.One of the substituted hydrocarbons produce with hydroxyl group replace one of the hydrogen Atoms in the hydrocarbon chain
A. Ethers B. Aldehydes C. Esters D. Alcohols

12. How many types of bonds are ther in the following hydrocarbon compound?

H
|
H — C = — C — H
- |
H