SP2.NameLab SectionDateEXPERIMENT192 . ChemThe Hydrocarbons19Was HOBSERVATIONS AND RESULTSb. ReactAl1. Physical Properties of Some HydrocarbonsWhicWritDraw the structures of the three cyclic hydrocarbons and indicate which is an alkane,which an alkene, and which an aromatic.anc. ReacConCompare the odors of the hydrocarbons. Did you notice an odor trend among the typesof hydrocarbons? Comment.burOnproWere the hydrocarbons soluble in water? In methylene chloride? What is your evidencethat they dissolve in one solvent and not in the other?d. TeaRExplain why they dissolve in one solvent, but not in the other.Paraffin wax is primarily a mixture of long-chain hydrocarbons, an example of which isCH52. Draw the structure of a molecule found in this mixture.How do the odors of the cyclic hydrocarbons and paraffin compare? How do you explainthe tremendous difference in intensity of the odors of paraffin and the cyclic hydrocar-bons?2.Reactions and Tests to Distinguish among the Hydrocarbonsa. Reaction zoith BromineDid bromine react immediately with cyclohexane? With cyclohexene? If either of thehydrocarbons reacted immediately with bromine, write an equation for the reaction.3.Did cyclohexane react with bromine when the test tube was placed under the sun-lamp? Was the reaction rapid? If a reaction occurred, write an equation for it.191

Cycloalkane compounds contains a cyclic ring contains carbon and hydrogen and all the bonds are…

1. Physical Properties of Some Hydrocarbons Draw the structures of the three cyclic hydrocarbons and indicate which is an alkane, which an alkene, and which an aromatic. Compare the odors of the hydrocarbons. Did you notice an odor trend among the types of hydrocarbons? Comment. Were the hydrocarbons soluble in water? In methylene chloride? What is your evidence that they dissolve in one solvent and not in the other? Explain why they dissolve in one solvent, but not in the other.

1. Physical Properties of Some Hydrocarbons Draw the structures of the three cyclic hydrocarbons and indicate which is an alkane, which an alkene, and which an aromatic. Compare the odors of the hydrocarbons. Did you notice an odor trend among the types of hydrocarbons? Comment. Were the hydrocarbons soluble in water? In methylene chloride? What is your evidence that they dissolve in one solvent and not in the other? Explain why they dissolve in one solvent, but not in the other.

Chemistry

9th Edition

ISBN:9781133611097

Author:Steven S. Zumdahl

Publisher:Steven S. Zumdahl

Chapter22: Organic And Biological Molecules

Section: Chapter Questions

Problem 45E: If one hydrogen in a hydrocarbon is replaced by a halogen atom, the number of isomers that exist for...

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Ethers (general formula R—O—R)have many important uses. Until recently,methyl tert-butyl ether (MTBE, right)was used as an octane booster and fueladditive for gasoline. It increases the oxy-gen content of the fuel, which reducesCO emissions. MTBE is synthesized bythe catalyzed reaction of 2-methylpropene with methanol.(a) Write a balanced equation for the synthesis of MTBE. (Hint:Alcohols add to alkenes similarly to the way water does.)(b) If the government required that auto fuel mixtures contain2.7% oxygen by mass to reduce CO emissions, how many gramsof MTBE would have to be added to each 100. g of gasoline?(c) How many liters of MTBE would be in each liter of fuel mix-ture? (The density of both gasoline and MTBE is 0.740 g/mL.)(d) How many liters of air (21% O₂ by volume) are needed at24C and 1.00 atm to fully combust 1.00 L of MTBE?
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