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An unknown compound with empirical formula C3H5 was treated with Br2/CCl4. The bromine solution went from orangish/red to clear immediately at room temperature indicating unsaturation in the molecul. Upon treatment with O3 followed by work-up with dimethylsulfide the following products were identified. From the information provided what is the most likely structure for this unknown compound.

What is the major product of the following reaction?  

What synthetic goal is achieved by subjecting an alkene to a hydroboration-oxidation sequence?

Which of the following alkenes can show geometric isomerism? 1. 2,3-dichloro-2-pentene 2. 4-chloro-3-ethyl-3-hexene 3. 3-chloro-2-methyl-2-butene 4. 3-chloro-2-methyl-1-butene

What reagents are necessary to complete the following transformation?  

Which of the following is the most stable carbocation?        

What is the correct IUPAC name for the following compound? 

Acid catalyzed hydration (H2SO4/water/△) of an unknown compound (A)with a chemical formula C6H12, yielded a racemic mixture of product C6H13OH. Which, if any, of the following compounds is/are possible structures for the initial compound (A)?  

Which of the following isomers is the most stable alkene? Write your answer using a capital letter in the text box below.                    A                                               B                                             C                                              D                                         E

Both (E) and (Z) 3-hexene can be subjected to a hydroboration-oxidation sequence. How are the products from these two reactions related to each other?