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Chemistry: An Atoms First Approach

2nd Edition
Steven S. Zumdahl + 1 other
Publisher: Cengage Learning
ISBN: 9781305079243

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Section
BuyFindarrow_forward

Chemistry: An Atoms First Approach

2nd Edition
Steven S. Zumdahl + 1 other
Publisher: Cengage Learning
ISBN: 9781305079243
Chapter 20, Problem 9Q
Textbook Problem
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Oxalic acid is often used to remove rust stains. What properties of oxalic acid allow it to do this?

Interpretation Introduction

Interpretation: The application of oxalic acid for the removal of rust stains is given. The property that corresponds to the rust removing action of oxalic acid is to be stated.

Concept introduction: Oxalic acid has one of the important applications as a rust and ink stain remover because it has a tendency to convert insoluble compounds of iron into soluble one.

To determine: The property that corresponds to the rust removing action of oxalic acid.

Explanation of Solution

Explanation

The reaction of rust with oxalic acid produces a complex [Fe(C2O4)3]3 that is colorless and is water soluble and therefore it can be easily washed away. The reaction of rust with oxalic acid is represented as,

Fe2O3(s)+6H2C2

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Chapter 20 Solutions

Chemistry: An Atoms First Approach
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Ch. 20 - You isolate a compound with the formula PtCl4 ...Ch. 20 - Both Ni(NH3)42+ and Ni(SCN)42 have four ligands....Ch. 20 - Which is more likely to be paramagnetic, Fe(CN)64...Ch. 20 - A metal ion in a high-spin octahedral complex has...Ch. 20 - What is the lanthanide contraction? How does the...Ch. 20 - Four different octahedral chromium coordination...Ch. 20 - Figure 20-17 shows that the cis isomer of...Ch. 20 - A certain first-row transition metal ion forms...Ch. 20 - Oxalic acid is often used to remove rust stains....Ch. 20 - For the following crystal field diagrams, label...Ch. 20 - CoCl42 forms a tetrahedral complex ion and...Ch. 20 - The following statements discuss some coordination...Ch. 20 - When concentrated hydrochloric acid is added to a...Ch. 20 - Tetrahedral complexes of Co2+ are quite common....Ch. 20 - Which of the following ligands are capable of...Ch. 20 - Compounds of copper(II) are generally colored, but...Ch. 20 - Compounds of Sc3+ are not colored, but those of...Ch. 20 - Almost all metals in nature are found as ionic...Ch. 20 - What causes high-altitude sickness, and what is...Ch. 20 - Why are CN and CO toxic to humans?Ch. 20 - Write electron configurations for the following...Ch. 20 - Write electron configurations for the following...Ch. 20 - Write electron configurations for each of the...Ch. 20 - Write electron configurations for each of the...Ch. 20 - What is the electron configuration for the...Ch. 20 - What is the electron configuration for the...Ch. 20 - Molybdenum is obtained as a by-product of copper...Ch. 20 - Titanium dioxide, the most widely used white...Ch. 20 - When 6 M ammonia is added gradually to aqueous...Ch. 20 - When an aqueous solution of KCN is added to a...Ch. 20 - Consider aqueous solutions of the following...Ch. 20 - A coordination compound of cobalt(III) contains...Ch. 20 - Name the following complex ions: a. b. c.Ch. 20 - Name the following complex ions. a. Ru(NH3)5Cl2+...Ch. 20 - Name the following coordination compounds. a....Ch. 20 - Name the following coordination compounds. a....Ch. 20 - Give formulas for the following. a. potassium...Ch. 20 - Give formulas for the following complex ions. a....Ch. 20 - Draw geometrical isomers of each of the following...Ch. 20 - Draw structures of each of the following. a....Ch. 20 - The carbonate ion (CO32) can act as either a...Ch. 20 - Amino acids can act as ligands toward transition...Ch. 20 - How many bonds could each of the following...Ch. 20 - BAL is a chelating agent used in treating heavy...Ch. 20 - Draw all geometrical and linkage isomers of...Ch. 20 - Draw all geometrical and linkage isomers of square...Ch. 20 - Acetylacetone, abbreviated acacH, is a bidentate...Ch. 20 - Draw all geometrical isomers of Pt(CN)2Br2(H2O)2....Ch. 20 - Match the crystal field diagrams given below with...Ch. 20 - Match the crystal field diagrams given below with...Ch. 20 - Draw the d-orbital splitting diagrams for the...Ch. 20 - Draw the d-orbital splitting diagrams for the...Ch. 20 - The CrF64 ion is known to have four unpaired...Ch. 20 - The Co(NH3)63+ ion is diamagnetic, but Fe(H2O)62+...Ch. 20 - How many unpaired electrons are in the following...Ch. 20 - The complex ion Fe(CN)63 is paramagnetic with one...Ch. 20 - Rank the following complex ions in order of...Ch. 20 - The complex ion Cu(H2O)62+ has an absorption...Ch. 20 - The following test tubes each contain a different...Ch. 20 - Consider the complex ions Co(NH3)63+, Co(CN)63,...Ch. 20 - The wavelength of absorbed electromagnetic...Ch. 20 - The complex ion NiCL42 has two unpaired electrons,...Ch. 20 - How many unpaired electrons are present in the...Ch. 20 - The complex ion PdCl42is diamagnetic. Propose a...Ch. 20 - A blast furnace is used to reduce iron oxides to...Ch. 20 - Use the data in Appendix 4 for the following. a....Ch. 20 - Iron is present in the earths crust in many types...Ch. 20 - What roles do kinetics and thermodynamics play in...Ch. 20 - Silver is sometimes found in nature as large...Ch. 20 - One of the classic methods for the determination...Ch. 20 - Acetylacetone (see Exercise 43, part a),...Ch. 20 - The compound cisplatin, Pt(NH3)2Cl2, has been...Ch. 20 - Use standard reduction potentials to calculate ,...Ch. 20 - Until the discoveries of Alfred Werner, it was...Ch. 20 - Draw all the geometrical isomers of...Ch. 20 - A compound related to acetylacetone is...Ch. 20 - Would it be better to use octahedral Ni2+...Ch. 20 - Name the following coordination compounds. a....Ch. 20 - give formulas for the following. a....Ch. 20 - The complex ion Ru(phen)32+ has been used as a...Ch. 20 - Carbon monoxide is toxic because it binds more...Ch. 20 - For the process Co(NH3)5Cl2++ClCO(NH3)4Cl2++NH3...Ch. 20 - In which of the following is(are) the electron...Ch. 20 - Which of the following molecules exhibit(s)...Ch. 20 - Which of the following ions is( are) expected to...Ch. 20 - The following table indicates the number of...Ch. 20 - Which of the following crystal field diagram(s)...Ch. 20 - Which of the following statement(s) is( are) true?...Ch. 20 - Consider the following complex ion, where A and B...Ch. 20 - Consider the pseudo-octahedral complex ion of...Ch. 20 - Consider the following data: where en =...Ch. 20 - Henry Taube, 1983 Nobel Prize winner in chemistry,...Ch. 20 - Chelating ligands often form more stable complex...Ch. 20 - Qualitatively draw the crystal field splitting of...Ch. 20 - Qualitatively draw the crystal field splitting for...Ch. 20 - Sketch a d-orbital energy diagram for the...Ch. 20 - Sketch and explain the most likely crystal field...Ch. 20 - The ferrate ion, FeO42, is such a powerful...Ch. 20 - Ammonia and potassium iodide solutions are added...Ch. 20 - a. In the absorption spectrum of the complex ion...Ch. 20 - There are three salts that contain complex ions of...

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