Data Sheet Hydrocarbons: Structure and Properties Activity 5  Data Observations: Ignition Test benzene n-hexane cyclohexane kerosene gasoline Reaction with Concentrated Sulfuric Acid benzene n-hexane cyclohexane kerosene gasoline Baeyer's Test for Unsaturation Color of standard solution: _________________________________ benzene n-hexane cyclohexane kerosene gasoline Bromine in Carbon Tetrachloride Test Color of standard solution: _________________________________ benzene n-hexane cyclohexane kerosene gasoline Test for Aromatic Hydrocarbons benzene chloroform naphthalene anthracene

QUESTIONS How can methane, ethylene and acetylene be prepared in the laboratory? Write the chemical reactions involved in such preparations. What type of reaction is exhibited by alkenes? Why? Explain the reaction of benzene with anhydrous AlCl3 and chloroform. Account for the reactivity of gasoline. Hydrocarbons comprise a majority of fossil fuels. What are the environmental implications of this activity?

1 Chemistry Laboratory 204: Organic Chemistry and Biochemistry Laboratory Manual Natural Sciences Department, College of Science and Information Technology, Ateneo de Zamboanga University, Zamboanga City, Philippines.

2 Chemistry Laboratory 101: General and Inorganic Chemistry Laboratory Manual Natural Sciences Department, College of Science and Information Technology, Ateneo de Zamboanga University, Zamboanga City, Philippines. a majority of fossil fuels.