Consider the reaction shown below. Classify compound Il as which of the following: OH 0:f H₂C CH3 40 H3C- O TⓇ 11 HO CH3 CH3 CH3 A) electrophile B) Lewis acid C) Bronsted-Lowry acid D) Bronsted-Lowry base
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- Why is it important to thoroughly vortex the contents of the vial after adding reagent 4 (Steps 3 and 4., stage 1). To ensure that the two immiscible solvents come into contact with each other, permitting the derivatization reactions to occur. B.To ensure that the solution is mixed thoroughly. To ensure that all the amino acids are transferred to the lower aqueous layer so that a full extraction occurs. To remove all the interferring compounds by transferring them to the upper organic layer Hint: Reagent 4 is the derivatizing agent dissolved in octane.Taking Ka for acidic acid as 1.8 x 10-5, calculate H3O+ , using the known concentraions of acidic acid and soudium acecate contained in reaction mixtures 1 and 4. Reaction mixture time (s) Acidic acid concentration (mol/L) sodium acetate concentration (mol/L) calculated H3O+ concentration 1 237 0 1 x 10 -5 4 236 1 x 10 -4 1 x 10 -5( with structural explanation plz )rank the molecules in order of increasing acidity:ethanol,ethylene glycol, acetic acid, 2,4-pentanedione,oxalic acid solid
- The ionization of monoprotic organic acid with a Ka of 6.7 × 10 -4 is 3.5%.Calculate the molecular weight of this monoprotic organic acid if 100 g of it is dissolved in 1 L of water. Hence, suggest and draw ONE (1) possible chemical structure of monoprotic organic acid having the calculated molecular weight.Given the sequence of reactions shown below assume the reactions are stoichiometric fill in the reagents needed for steps A B and C and explain what happens in each step of the reactions, by also nameCase: In an attempt to synthesize compound 1a, the researchers mixed benzaldehyde, dimedone (IUPAC: 5,5-dimethylcyclohexane-1,3-dione), and 3-amino-1,2,4-triazole in ethanol as the solvent. A catalyst that acts both as a Bronsted-Lowry and as a Lewis acid was also added to aid the reaction. Benzaldehyde and dimedone reacts first with each other, then the resulting intermediate eventually reacts with the aminotriazole to form 1a. 1. Explain how benzaldehyde and dimedone reacts with each other, and then with the aminotriazole to form compound 1a in the presence of an acid catalyst. Provide a detailed reaction mechanism.
- show arrow pushing mechanisms for the reactionHow to approach this problem?Draw the reaction mechanism using curved-arrow notation for the deprotonation of tannins in aqueous base. Use ArO-H as a generic form of a tannin and use sodium carbonate (Na2CO3) as the base. Be sure to draw out the structure of Na2CO3 and specify which oxygen(s) acts as the base. Balance the chemical equation and comment on the aqueous solubilities below each of the species (assume that the tannin is insoluble in water initially).