a.Give the curved arrow mechanism for the acid-base reaction, and the products.:0:+NaOH:O-H2-furoic acidb. Use a pKa table to determine the direction of equilibrium. Show the values you used above.so furnic acid

tion between 2-furoic acid and NaOH, the hydroxide ion (OH⁻) from NaOH will act as a base and…

Answered: a. Give the curved arrow mechanism for…

Organic Chemistry: A Guided Inquiry

2nd Edition

ISBN:9780618974122

Author:Andrei Straumanis

Publisher:Andrei Straumanis

Chapter13: Substitution

Section: Chapter Questions

Problem 29CTQ

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3. Give the pK₂ values for the following compounds and then rank them in terms of increasing acidity. Explain why the values change so dramatically (each pk- unit is an order of magnitude) from one member of the series to the next. H₂C=CH2 H₂C-CH₂ HC=CH
From each pair, select the stronger base. Then draw the conjugate acid of the strong base below. CH3CH20 or CH3CEC • You do not have to consider stereochemistry. You do not have to explicitly draw H atoms. • You do not have to include lone pairs in your answer. C opy aste
a. Explain why protonation of pyrrole occurs at C2 to form A, rather than on the N atom to form B. b. Explain why A is more acidic than C, the conjugate acid of pyridine.
Hw.42.
Explain why pyrrole is a much WEAKER base than pyridine (pKa's for their conjugate acids shown to right).
Arrange these carboxylate ions in order of decreasing basicity.
Answer questions a-c about the Bronsted acid-base reaction below using the identifying letters A-D below each structure. A table of pka values for various organic and inorganic acids can be found in the references section. ata CH3 CH3 -CH3 CH3 CH,- в D ethoxide ethanol dimethylsulfone anion dimethylsulfone a) The weaker base is b) Its conjugate acid is c) The species that predominate at equilibrium are (two letters, e.g. AC)
2. Piperidine is an amine base used in organic reactions. The conjugate acid form of piperidine has a pka of 11.28. Which of the following compounds drawn here can be deprotonated by piperidine? Oethyl methanol DBU triethylamine acetate Oacetic O acid phthalimide H N. H. но .N. methanol аcetic acid pКa %3D 15.5 DBU pka = 4.76 pka = 13.5 NH ethyl acetate triethylamine pКa%3D 25 phthalimide pka = 10.75 pKa = 8.3
6.
2. Give the pK₂ values for the following compounds and then rank them in terms of increasing acidity. Explain why the values change so dramatically (each pKa unit is an order of magnitude) from one member of the series to the next. NH3 HF CH4 H₂O
10. Rank the following in order of acidity of their -OH group (1-4: 1 for strongest) Explain the reasoning for your answr. Do not say" because of their pKa values!" You need to use ARIO and solvation to explain the reason underlying their relative_pKa values 10.a он OH он он CI 10b. ОН ОН OH OH
Identify the stronger and weaker Bronsted acid, assign the smaller and largerpKa, identify the stronger and weaker Bronsted conjugate base give an explanation thatincludes resonance contributors if relevant.

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a. Give the curved arrow mechanism for the acid-base reaction, and the products. :0: + NaOH :O-H 2-furoic acid b. Use a pKa table to determine the direction of equilibrium. Show the values you used above. so furnic acid