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Which set of curved arrows best represents the mechanism for the reaction below? (Choose one) HAVA-...
Which set of curved arrows best represents the mechanism for the reaction below? (Choose one) HA/A- represents a general acid /conjugate base. Н+ Crs ОН Prdt. А-н HA e-ot- Prdt. ОН H-A A COH Prdt. ОН н-А ОН ОН Prdt. ОН ОН
Consider the following reaction, and choose from the choices below which best represents the first step of the mechanism. НО ОН of н*(cat.) Select one: о а. с нари GILA OH O b. н* Х н* O d. " O e. ОН
3.46 For each reaction below, draw a mechanism (curved arrows) and then predict which side of the reaction is favored under equilibrium conditions: ОН HO + ol (a) HOH (b) ~ SH + + 2 OH SO H.S urs aw (c) SH = 1
Draw overall reaction and mechanism Overall reaction, mechanism with curved arrows and relevant bond dipoles indicated; Identification of Acid, Base, and their conjugates as is appropriate; direction of the equilibrium with approximate pKas for any proton transfer reactions; functional group name and conjugate base name Carboxylate synthesis from carboxylic acids 1. Convert an acid to a sodium carboxylate using an appropriate base REACT trifluoroacetic acid with NaOH
Provide a full mechanism for the following reaction. Include intermediates, formal charges, and curved arrows to show electron flow. Provide a full mechanism for the following reaction. Include intermediates, formal charges, and curved arrows to show electron flow. H20, H о нон, он вме OH HN
draw curved arrows to show the movement of electrons in this step of the reaction mechanism HCI H2O NH,CI -CEN ОН Acid catalyzed hydrolysis of a nitrile to give a carboxylic acid occurs by initial protonation of the nitrogen atom, fo Draw curved arrows to show the movement of electrons in this step of the reaction mechanism Arrow-pushing Instructions O: x H -CI: -NH₂ SLIDE ty Another Mansion 1 terrattuttomat
Complete the following acid/base reaction with curved arrows. Label Bronsted Acid (BA), Bronsted Base (BB), Conjugate Acid (CA), Conjugate Base (CB) or Lewis Acid (LA), Lewis Base (LB), when applicable. (5 Pts) + H-Br
5. For the following acid-base reactions, complete the products, show the mechanism (curved arrows), and label the acid, base, conjugate acid, and conjugate base. A) ? O:N H B) :- ? H Page 2 of 3 6. For the reaction in question 5 (A and B), write the pk, values of the acid and conjugate acid underneath them and then circle the side of the equilibrium that is favored. If neither side is favored, write "neither." Briefly explain quantitatively (using...
Question 7 Using curved arrows, deprotonate the most acidic hydrogen and draw the conjugate base. The conjugate base is relatively stable due to delocalization. When drawing the curved arrows, illustrate that delocalization which should result in the best contributing structure of the conjugate base. HO with her + H20 Question 10 veten som The reaction scheme below illustrates the addition of H-Br to a double bond. Draw a curved arrow mechanism and the missing intermediate. en die onderkant van den...
a) Draw the mechanism (with curved arrows) for the reaction of the conjugate base of p?hydroxybenzaldehyde with methyl p?toluenesulfonate. b) What ether would you obtain from the reaction of CH3CH2O- with 1?iodopentane? Draw the structure of the product. c) Explain in general how TBAS (Bu4N+HSO4-) works as a phase transfer catalyst in this reaction. What anion does Bu4N+ shuttle into the organic layer? d) p-Hydroxybenzaldehyde has four signals in the NMR, with the following chemical shifts and multiplicities. Assign each...