1. Which of the following is a fossil fuel?
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Unit#9: Hydrocarbons
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2. Cracking of large alkanes mainly produces:
3. Which hydrocarbon has the highest degree of unsaturation?
4. Which process converts heavy oil fractions into lighter ones?
5. Which petroleum fraction is used for making roads?
6. Alkenes react with halogens to form:
7. Which hydrocarbon is used as a starting material in many organic syntheses?
8. Which of the following indicates saturation?
9. Hydrogenation of alkenes converts them into:
10. Which hydrocarbon family shows homologous series with difference of CH2?
11. Which hydrocarbon does NOT decolorize bromine water?
12. Fossil fuels are formed from:
13. Baeyer's test uses which chemical?
14. Which catalyst is commonly used for hydrogenation?
15. Alkenes generally have boiling points:
16. General formula of alkenes is:
17. In bromine water test, alkenes cause:
18. Which substance turns purple KMnO4 colorless?
19. Which of the following is a physical property of alkenes?
20. Which fraction is used as jet fuel?