ACTIVITY 3

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1. Compounds that have a hydrocarbon ring are called _________

2. Hydrocarbon compounds that do not contain a ring are called____________

3. The simplest cyclic compound is made up of a 3-carbon ring and is called________

4. Alkanes are non-polar molecules, making them insoluble in____________

5. ____________are the most stable hydrocarbon since all the carbons are saturated (they have single bonds).

6. ______________________are the main components of natural gas

7. Alkanes with low molecular weights (1-4 carbons) are __________ at room temperature.

8. Larger alkanes (5-17 carbons) are __________ at room temperature.

9. Alkanes with more than 18 carbons are ____________

10. ______________________can be liquefied at lower temperatures

11. Disposable lighters have liquid__________

12. Alkanes with higher molecular weights are used as ___________ (airplane fuel), ____________ candles, and __________ oils.

13. The first 3 alkenes (ethene, propene, and butene) are ________ at room temperature.

14. Alkenes with 5-16 carbons are ________

15. alkenes with 17 or more carbons are ___________ that have the consistency of wax.

16. The most common way of obtaining alkenes is by the _________________.

17. Alkenes are used to make plastics such as __________, ________, and PVC.

18. The double bond characteristic of alkenes makes them more reactive than ________.

19. Alkenes participate in a number of chemical reactions in which the ______ bond is _________.

20.Some alkenes present in the atmosphere react with ozone, producing compounds that can damage _________

21. The alkynes ethyne, propyne and butyne are _________ at room temperature. Alkynes with 5-13 carbons are __________and alkynes with higher molecular weights are ________.

22.Alkynes are insoluble in ______, but dissolve in liquid ________________

23.Gaseous alkynes cause _____________ when inhaled.

24.When ethyne is burned, it produces a very ___________. “Falcon” planes use it in their lights, and it is also used in _____________.

25.Ethyne is used to make _________, ______________, and ______________. It is also used in industry to make compounds such as acetaldehyde and acetic acid as well as others.

26.Alkynes are toxic to ___________ and ___________the eyes.