111O Organic Acids and BasesUnderstanding the influence of induction on site acidityRank the following organic molecules in order of decreasing acidity.That is, select '1' in the second column for the most acidic molecule, '2' for the next most acidic molecule, and so on.HOHOHOOCICICI(Choose one)CI(Choose one)OCICI(Choose one)ད་ལ།ཡིག་སྦུད་ExplanationCheck(Choose one)OHXG

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Answered: 111 O Organic Acids and Bases…

Organic Chemistry: A Guided Inquiry

2nd Edition

ISBN:9780618974122

Author:Andrei Straumanis

Publisher:Andrei Straumanis

Chapter20: Acidity And Pka Of Phenols

Section: Chapter Questions

Problem 20CTQ

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Rank the following organic molecules in order of decreasing acidity. That is, select '1' in the second column for the most acidic molecule, '2' for the next most acidic molecule, and so on. HO HO Jl. CI OH OH (Choose one) (Choose one) (Choose one) ▼ (Choose one) ▼ X
Can any functional groups on Risperidone ionize? If so, which ones? Under what conditions? What are the pKa values of these functional groups? Write the structures in their correct ionization state at physiological pH.
The most acidic proton on the molecule below has pKa 41. Which of the following bases are capable of deprotonating the proton? Check all that apply.
The structure of a particular drug is provided below. The acid form is shown, and its pk, is 4.8. Mark any/all that apply. HO O The conjugate base of this acid is charged. O The acid form will predominate at pH 7.40. The acid form of this drug is charged. The conjugate base will predominate at pH 7.40. The acid form of this drug will diffuse through the cell membrane more easily than the conjugate base will diffuse through the cell membrane.
Using pKa Values to Determine Relative Acidity and Basicity Rank the following compounds in order of increasing acidity, and then rank their conjugate bases in order of increasing basicity.
1) Consider the reaction AH+ H₂O A:+H3O¹. For the following named acids: 1) draw the structure of the acid, 2) give the approximate pKa value of the acid in multiples of 5, 3) give the name of the conjugate base, and 4) draw the structure of the conjugate base. m-Chlorophenol 3-Pentanone acid Conj. base acid Conj. base pKa Benzoic acid pka_ iso-Butyl ammonium ion pka_ Diethyl Malonate pka_ Benzyl oxonium ion pka_ 1-pentyne pKa pKa Ethyl Acetate pKa
4 5 Arrange the following bases in increasing base strength. There is no partial credit on this problem. Weakest base 1 2 3 Pyridine (C5H5N), Kb = 1.7 x 10-⁹ Aniline (C6H5NH2), Kb = 3.9 x 10-10 Strongest base Methylamine (CH3NH₂), Kb = 4.4 x 10-4 Hydrazine (N2H4), Kb = 1.3 x 10-6 ⠀ Dimethylamine ((CH3)2NH), K₂ = 5.1 x 10-4
Rank the following organic molecules in order of decreasing acidity. That is, select '1' in the second column for the most acidic molecule, '2' for the next most acidic molecule, and so on. HO HO HO O Ms CI CI O CI CI (Choose one) (Choose one) (Choose one) X Ś ? allo 18 Ar
Draw the organic product of the Lewis acid-base reaction shown below. Include all lone pairs and charges as appropriate.
4. The pk, of vanillin is about 9, which is much more acidic than a normal alcohol. Draw a reaction showing the deprotonation of vanillin with NaOH, and then draw six resonance structures of the conjugate base. Draw the hybrid structure and clearly indicate how the negative charge is distributed in the compound.
F Below are four molecules that are pH sensitive: F O Structure A OH F O Structure OH Br O Br Structure C 1. Sort the given molecules in the increasing of pka values. OH 2. What was your choice for strongest acid? Explain your answer. Br Br Structure D OH

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