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What is the leaving group in the following reaction?  

Which of the following best describes the molecules of a sample of ethane gas at room temperature?  

Which of the following steps always generates a radical as a product of that step? I. InitiationII. PropagationIII. Termination  

Which of the following structures (a-d) is another resonance structure of the following organic molecule?  

Why would concentrated hydrobromic acid be an inappropriate catalyst for the dehydration of alcohols?    

Which of the following statements is not correct?  

When a small amount of hexanoic acid [CH3(CH2)4CO2H, pKa~4.8], is added to a separatory funnel which contains the organic solvent diethyl ether and water with a pH of 12.0, it is found mainly in the ________ phase as ________.  

Which of the following reagents will convert 1-butanol to 1-chlorobutane?  

What would be the net change in bonds if one mole of 3-hexyne is treated with 2 moles of H2 in the presence of platinum?  

Assuming a chair conformation, which of the following configurations will always have both methyl groups in relative axial/equatorial positions?