18-5 Answer true or false. (a) The general name of an aliphatic carboxylic acid is alkanoic acid. (b) A molecule containing two COOH groups is called a dicarboxylic acid. (c) Ethanedioic acid (oxalic acid) is the simplest dicarboxylic acid. (d) 3-Methylbutanoic acid is chiral. (e) The simplest carboxylic acid is methanoic acid (common name: formic acid), HCO 2 H. (f) Benzoic acid is an aromatic carboxylic acid. (g) Formic acid, which is the common name for HCO 2 H, is derived from the word formica, which is the Latin name for ants. (h) (S )-Lactic acid, CH 3 —CHOH—COOH, contains two functional groups: a 2° alcohol and a carboxyl group.

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Introduction to General, Organic a...

11th Edition
Frederick A. Bettelheim + 4 others
Publisher: Cengage Learning
ISBN: 9781285869759
BuyFind

Introduction to General, Organic a...

11th Edition
Frederick A. Bettelheim + 4 others
Publisher: Cengage Learning
ISBN: 9781285869759

Solutions

Chapter 18, Problem 18.5P
Textbook Problem

18-5 Answer true or false.

(a) The general name of an aliphatic carboxylic acid is alkanoic acid.

(b) A molecule containing two COOH groups is called a dicarboxylic acid.

(c) Ethanedioic acid (oxalic acid) is the simplest dicarboxylic acid.

(d) 3-Methylbutanoic acid is chiral.

(e) The simplest carboxylic acid is methanoic acid (common name: formic acid), HCO2H.

(f) Benzoic acid is an aromatic carboxylic acid.

(g) Formic acid, which is the common name for HCO2H, is derived from the word formica, which is the Latin name for ants.

(h) (S )-Lactic acid, CH3—CHOH—COOH, contains two functional groups: a 2° alcohol and a carboxyl group.

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Chapter 18 Solutions

Introduction to General, Organic and Biochemistry
Ch. 18 - 18-11 Draw a structural formula for each...Ch. 18 - 18-12 Calcium oxalate is a major component of...Ch. 18 - 18-13 The monopotassium salt of oxalic acid is...Ch. 18 - 18-14 Answer true or false. (a) Carboxylic acids...Ch. 18 - 18-15 Draw a structural formula for the dimer...Ch. 18 - 18-16 Propanedioic (malonic) acid forms an...Ch. 18 - 18-17 Hexanoic (caproic) acid has a solubility in...Ch. 18 - 18-18 Propanoic acid and methyl acetate are...Ch. 18 - 18-19 The following compounds have approximately...Ch. 18 - 18-20 The following compounds have approximately...Ch. 18 - 18-21 Arrange these compounds in order of...Ch. 18 - 18-22 Answer true or false. (a) Fatty acids are...Ch. 18 - 18-23 Characterize the structural features...Ch. 18 - 18-24 The detergents illustrated in this chapter...Ch. 18 - 18-25 Following are structural formulas for two...Ch. 18 - 18-26 Answer true or false. (a) Carboxylic acids...Ch. 18 - 18-27 Alcohols, phenols, and carboxylic acids all...Ch. 18 - 18-28 Arrange these compounds in order of...Ch. 18 - 18-29 Complete the equations for these acid—base...Ch. 18 - 18-30 Complete the equations for these acid-base...Ch. 18 - 18-31 Formic acid is one of the components...Ch. 18 - 18-32 Starting with the definition of Ka of a weak...Ch. 18 - 18-33 Using the equation from Problem 18-32 that...Ch. 18 - 18-34 The pKa of acetic acid is 4.75. What form(s)...Ch. 18 - 18-35 The normal pH range for blood plasma is 7.35...Ch. 18 - 18-36 The pKa of ascorbic acid (Vitamin C, see...Ch. 18 - 18-37 Complete the equations for the following...Ch. 18 - 18-38 Which is the stronger base: CH3CH2NH2 or...Ch. 18 - 18-39 Complete the equations for the following...Ch. 18 - 18-40 Define and give an example of Fischer...Ch. 18 - 18-41 Complete these examples of Fischer...Ch. 18 - 18-42 From what carboxylic acid and alcohol is...Ch. 18 - 18-43 Methyl 2-hydroxybenzoate (methyl salicylate)...Ch. 18 - 18-44 Show how you could convert cinnamic acid to...Ch. 18 - 18-45 Give the expected organic product formed...Ch. 18 - 18-46 Procaine (its hydrochloride salt is marketed...Ch. 18 - 18-47 Methylparaben and propylparaben are used as...Ch. 18 - 18-48 4-Aminobenzoic acid is prepared from benzoic...Ch. 18 - 18-49 When 5-hydroxypentanoic acid is treated with...Ch. 18 - 18-50 We have seen that esters can be prepared by...Ch. 18 - 18-51 Draw the structural formula of a compound...Ch. 18 - 18-52 Complete the equations for these oxidations:Ch. 18 - 18-53 In Chapter 27, we will study a metabolic...Ch. 18 - 18-54 Azithromycin is a broad-spectrum antibiotic...Ch. 18 - 18-55 Below is the structural formula of a...

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