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Give a stepwise mechanism showing the base-induced formation of diphenyl- acetylene from meso-stilbene dibromide.
A respiratory acidosis is partially compensated to pH 7.3. If pCO2 is 70 mmHg, the plasma (HCO3-) is what?
What product would you expect to obtain from the reaction of one equivalent of propanol with phthalic anhydride?
Write a balanced equation for the conversion of C6H5CHOHCH3 to methyl ketone in the presence of I2 and NaOH.
An unknown compound X, is thought to have a carboxyl group with a pka of 2.0 and another ionizable group with a pka between 5 and 8.
The formation of an azo compound is a slow reaction, but that rate can be increased by raising the pH of the solution. Why is this necessary?
Consider aspects of the Wittig Reaction as well as the fact that Ph3P is nucleophilic. With those thoughts in mind, explain using a mechanism.
The compound C6H5OH is a phelol, and C6H13OH is a straight chain alcohol. State if they will react with i) Potassium hydroxide & ii) acetic acid.
You are working at your station and the 100-mL round-bottom flask in which you are running a reaction in ether solvent suddenly catches fire.
When aminobenzene is subjected to standard nitration conditions {HONO2/(HO)2SO2} poor yields 1-amino-3 itrobenzene are obtained.
Write an equation to show how nitronium ions might be formed using a mixture of nitric and sulfuric acids.
Label each transformation below as oxidation, reduction or neither oxidation nor reduction. Show evidence (calculation of oxidation levels).
Write a detailed mechanism for this reaction that accounts for the net retention of configuration when Ag+ and a low concentration of hydroxide are used.
During bromine addition to trans-cinnamic acid, why is it necessary to maintain excess bromine in the reaction mixture.
Give and name the products when 3-t-butyl 2,4-dimethyl 1-hexene reacts with the following (assume the proper catalysts are present)
The CH stretching mode of chloroform CHCL3) which occurs at 3022/cm is one of the rare exceptions to the 3000/cm rule. What is the rule?
What is the sketched formula for ethyl methyl ester and is it an isomer of butanoic acid? If not, what is the isomer of butanoic acid?
A low-melting solid A was isolated, which combustion analysis showed had composition C9H10O.
p-Bromotoluene reacts with potassium amide to give a mixture of m- and p- methyl aniline. Explain how these products are produced by showing the mechanism.
Show a separation scheme for isolating benzoic acid from a reaction mixture if mixing a Grignard reagent phenylmagnesium bromide with dry ice (CO2) in ether?
What is the change in pH when 0.005 moles of HCl is added to 0.100 L of a buffer solution that is 0.100 M in CH3CO2H and 0.100 M NaCH3CO2?
If all the nitric oxide from problem 10a was allowed to react with oxygen, a red-brown gas, nitrogen dioxide is formed.
You wish to test 9 esters for antitumor activity. One and only one of the 9 esters will actually have antitumor activity.
Metabolism uses various ways to ensure that 2 opposing pathways do not occur at the same time.