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What configurations are found in the product(s) of the reaction below?

Which of the following alkenes is most stable? Write your answer using a number in the text box below. 

Which of the following alkenes is most stable? Write your answer using a number in the text box below.  

What reagents are necessary to complete the following transformation?    

What is the major organic product formed in the following reaction?

A reaction of an unknown alkene with meta-chloroperoxybenzoic acid (MCPBA) in dichloromethane followed by hydrolysis with H2O/H+ yielded, as the major product, a racemic mixture of (2S, 3S) and (2R, 3R)-3-methylpentan-2,3-diol. What is the specific structure of the alkene used in the reaction?

Classify the following molecule as and E isomer, a Z isomer, or neither. Write your answer in the text box below using capital letters. 

Which of the following does characterize a more highly substituted carbocation? I.  Forms more rapidly than less highly substituted carbocationsII. Forms product more slowly than less highly substituted carbocationsIII. Has a smaller ΔGŧ (activation energy) than less highly substituted carbocationsIV. Is more stable than less highly substituted carbocations  

In the following ozonolysis reaction, if we start with optically pure S-enantiomer, the product(s) obtained will be  

When an alkene is subjected to treatment with Hg(OAc)2 in methanol followed by reaction with NaBH4, what new class of compound is formed?