Stuck on this one. What is the best method to prepare compound A? Assume an acid...
D Question 2 2 pts Which reagents would be best used to perform the following transformation? Time Runn 43 Minute OOH 1) 1. H+ ЛОН HO 2. Mgº 3. CO2 4. H30 2) 1. MeMgBr 2. H307 3. H2SO4 3) 1. NaHCO, 2. H30* 4) 1.HHO OH | 5) 1. HCN 2. CrOz/H20 2. CrOy/H20 3. H307 03 5 Predict the major product of the following reaction. & Hochs H" (eat) H3C 3) H3C -CH; 5) HyC-CH3 4) CH3 H3C-N-CH3...
What is the best method to prepare Compound 1? Compound 1 1) NaH 2) CH2CH2 CH2CH! Hy w CHCH! H2N 3) H2NNH2 NaBH3CN NH2 HOAC
Please help! stuck on this one Question 1 2 pts Which reagents would be best used to perform the following transformation? ООН 1) L. HOVOH 2. Mg 3. CO2 4. H30* 2) 1. MeMgBr 2. H30 3. H2SO4 3) 1. NaHCO3 2. H307 5) 1. HCN 2. CrO/H20 4) 1. H VOH 2. CrOz/H20 3. H30* 5 2 3
What of the following is not a good method to prepare 2,2-dimethylpropanoic acid? K2Cr2O7, H2SO (A) OH 1) Mg, diethyl ether Br 2) COZ 3) H30* 1) NaCN 2) H307, heat Cros, H2SO4
1. (Review) What are the absolute configurations of these two molecules? 4. What sequence would best accomplish this transformation? снион Low- CHICH .COH CHE (a) I(S) and II(S) (b) I(R) and II(S) (a) [1] SOCI, [2] (CH3)2NH (b) [1] NH3, [2] excess CHI (c) NaBH, [2] (CH3)2NH (d) LiN(CH)2 (c) I(S) and II(R) (d) I(R) and II(R) 2. (Review) What is the IUPAC name for the following compound? 5. (Review) Reduction of an alkyne to an E alkene can be...
QUESTION 2 What Grignard reagent and substrate are needed to prepare the following compound? Select all possible routes ОН MoBr MaBr сH,MgBr ОА oc B and C A B, and
Which one of the following reactions is not a good method to prepare propyl acetate? Acetic acid + 1-propanol with NaOH Acetyl chloride + 1-propanol with pyridine Acetic anhydride + 1-propanol Acetic acid + 1-propanol with cat. H2SO4
DOME 4. What will be the best way to synthesize the following compound starting from benzene? the o ů na A. 1) CH3CH2CI, AICI3; 2) Cl2, FeCl3 B. 1) CH2=CH2, HF; 2) Cl2, FeCl3; ovods and to none C. 1) CH3CO-O-COCH3, AICI3; 2) Cl2, FeCl3; 3) Zn, HCI; D. 1) CH3CO-O-COCH3, AICI3; 2) Zn, HCI; 3) Cl2, FeCl3; E. none of the above EVE. none droedsw abruogo Oriollot to 8 Smund og tengsmont to 5. What set of reagents will...
What are the best Lewis structures for these acid molecules ? Your answer should cover the fundamental definition in one grammatically-correct u uub us Soltition is neutral'? sentence. Competency Question 2. . What chemical species must be present to make a buffer? . What is the ideal ratio between the species in the buffer? What two ratios define the limits of a useful buffer? - Your first answer should cover the fundamental definition in one grammatically-correct sentence. Your second answer...
Cacodylic acid (dimethylarsinic acid, HAsO2(CH3)2) is a common buffer used in biology to prepare and fix biological samples. The pKa of cacodylic acid is 6.3. Part A What is the pH of a buffer solution prepared by mixing 20.0 mL of 0.0700 molL−1NaOH with 20.0 mL of 0.170 molL−1 cacodylic acid? Express your answer using one decimal place. pH Part B What is the pH of the buffer solution in part A after 0.0002 moles of H3O+ was added to...