Which of the following carbocations is/are likely to rearrange? IV I II Ob. III Oc II and V Od IV What is the relationship between the two structures shown below? CH3 HC and HO H H Br Br OH Select one: OA enantiomers OB. identical compounds OC. diastereomers OD constitutional isomers E meso compounds

Please don't provide handwritten solution....

In light of your answer to Problem 11-74, explain why one of the following isomers undergoes E2 reaction approximately 100 times as fast as the other. Which isomer is more reactive, and why?

2. What is the outcome of the reaction shown below? SH O=ZO Catalytic Et3N

7.+ 8.

Which compound(s) will be fully deprotonated (>99%) by reaction with one molar equivalent of sodium hydroxide? I, II, III I, || I, III I only II, III SH | H3C-C=C-H || III NH2

The reaction shown proceeds via a single transition state with a trigonal bipyramidal geometry. C1 C2 Br: + H3C 0: Two curved arrows are required to indicate all of the bond-making and bond-breaking processes in this reaction. Where should one of the arrows be drawn, if CH3O is the nucleophile? from a Br LP to the O atom from C1 to the O atom from C2 to the O atom from the C-O bond to Br from an O LP to C1 from an O LP to C2

2. Show the mechanism with arrow formalism to show the formation of the most stable product. Which of the following terms apply to the mechanism(s) i) Regioselectivity (ii)stereoselectivity (iii)stereospecificity. Explain H+ (aq) from sulfuric acid NaCN most stable product

Kl117.

The cis and trans 2-butene stereoisomers have the following rate constant values associated with the electrophilic addition of water in an acid medium at the same temperature. what is the difference between the two values through the energy profile of each reaction. CH3 H,O productos H+ H3C k = 3.51 x 10- M's1 H3C CH3 H,0 > productos H+ k = 8.32 x 10®M's1