19.39 (a) Rank the following compounds in order of increasing acidity. (b)Which compound forms the strongest conjugate base?O₂N.OHABOHCOHDOH

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Answered: 19.39 (a) Rank the following compounds…

Introductory Chemistry For Today

8th Edition

ISBN:9781285644561

Author:Seager

Publisher:Seager

Chapter9: Acids, Bases, And Salts

Section: Chapter Questions

Problem 9.15E

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The following reactions illustrate Brnsted acid-base behavior. Complete each equation. a.HI(aq)+?H3O+(aq)+I(aq) b.NH3(l)+?NH4++NH2 c.H2C2O4(aq)+H2O(l)?+HC2O4(aq) d.H2N2O2(aq)+H2O(l)H3O+(aq)+? e.?+H2O(l)H3O+(aq)+CO32(aq)
(a) Rank the following compounds in order of increasing acidity. (b) Which compound forms the strongest conjugate base?
Consider the following reaction: (a) What is the acid on the left side of the equation? (b) What is the base on the left side of the equation? (c) What is the conjugate base of the acid on the left? (d) What is the conjugate acid of the base on the left? (e) What is the acid on the right side of the equation? (f) What is the base on the right side of the equation? (g) What is the conjugate base of the acid on the right? (h) What is the conjugate acid of the base on the right?
Predict the stronger acid in each pair: (a) HNO3 or HNO2;(b) H2S or H2O; (c) H2SO4 or H2SeO4; (d) CH3COOH or CCl3COOH.
Benzoic acid (C6H5COOH) and aniline (C6H5NH2) areboth derivatives of benzene. Benzoic acid is an acid withKa = 6.3 x10-5 and aniline is a base with Ka = 4.3 x10-10. (a) What are the conjugate base of benzoic acid andthe conjugate acid of aniline? (b) Anilinium chloride(C6H5NH3Cl) is a strong electrolyte that dissociates intoanilinium ions (C6H5NH3+) and chloride ions. Which willbe more acidic, a 0.10 M solution of benzoic acid or a 0.10M solution of anilinium chloride? (c) What is the value ofthe equilibrium constant for the following equilibrium?C6H5COOH(aq) + C6H5NH2(aq) ⇌ C6H5COO-(aq) + C6H5NH3+(aq)
Which is the stronger base for each pair?
(a) Explain how NaBH, in CH;OH can reduce hemiacetal A to 1,4-butanediol (HOCH,CH,CH,CH,OH). (b) What product is formed when A is treated with Ph;P=CHCH,CH(CH),? (c) The drug isotretinoin is formed by reaction of X and Y. What is the structure of isotretinoin? Although isotretinoin (trade name Accutane or Roaccutane) is used for the treatment of severe acne, it is dispensed under strict controls because it also causes birth defects. PPha NaOCH,CH3 HO- isotretinoin HO A Br X Y
Choose the stronger acid in each of the following pairs:(a) H₂SeO₃ or H₂SeO₄(b) H₃PO₄ or H₃AsO₄(c) H₂S or H₂Te
What is the conjugate acid of each of the following? What is the conjugate base of each?(a) H2S(b) H2 PO4−(c) PH3(d) HS−(e) HSO3−(f) H3 O2+(g) H4N2(h) CH3OH
1) Complete the following reactions and identify the acid, base, conjugate acid and conjugate base. CH;CH,NH2 (aq) + H2O (1) a) CH;COOH (aq) + H,O (I) b) c) Identify the conjugate base and conjugate acid of each of the following. Conjugate Base Molecule Conjugate Acid HCO3 H20 HSO4- H2PO4
In each of the following acid-base reactions, identify the Bronsted acid and base on the left, and theirconjugate partners on the right: (a) HAsO32- + CH3CH2CO2H → H2AsO3- + CH3CH2CO2- (b) HPO32- + HSeO4- → SeO42- + H2PO3- (c) HC6H5O72- + HS- → H2S + C6H5O73-
Draw the conjugate base and rank the compounds in order of increasing acidity. Explain the reason briefly

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19.39 (a) Rank the following compounds in order of increasing acidity. (b) Which compound forms the strongest conjugate base? O₂N. OH A B OH C OH D OH