Chemistry by OpenStax (2015-05-04)
1st Edition
ISBN: 9781938168390
Author: Klaus Theopold, Richard H Langley, Paul Flowers, William R. Robinson, Mark Blaser
Publisher: OpenStax
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Chapter 19, Problem 19E
Predict the products of the following reactions and balance the equations.
(a) Zn is added to a solution of Cr2(SO4)3 in acid.
(b) FeCl2 is added to a solution containing an excess of Cr2O72- in hydrochloric acid.
(c) Cr2+ is added to Cr2O72- in acid solution.
(d) Mn is heated with CrO3.
(e) CrO is added to 2HNO3 in water.
(f) FeCl3 is added to an aqueous solution of NaOH.
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Predict the products of the following reactions and balance the equations.(a) Zn is added to a solution of Cr2(SO4)3 in acid.(b) FeCl2 is added to a solution containing an excess of Cr2O72− in hydrochloric acid.(c) Cr2+ is added to Cr2O72− in acid solution.(d) Mn is heated with CrO3.(e) CrO is added to 2HNO3 in water.(f) FeCl3 is added to an aqueous solution of NaOH.
Predict the products of each of the following reactions and then balance the chemical equations.(a) Fe is heated in an atmosphere of steam.(b) NaOH is added to a solution of Fe(NO3)3.(c) FeSO4 is added to an acidic solution of KMnO4.(d) Fe is added to a dilute solution of H2SO4.(e) A solution of Fe(NO3)2 and HNO3 is allowed to stand in air.(f) FeCO3 is added to a solution of HClO4.(g) Fe is heated in air.
A coordination compound has the following composition (by mass %): 23.53% Co; 42.47% Cl, and
34.00% NH3. When 4.91 g of the compound is dissolved in 75.0 mL of deionized water, and the solution
is reacted with an excess of AGNO; solution, it yields 5.60 g of AgCl precipitate.
(a) Determine the empirical formula of the compound and write in the form of Co(NH;),Cl, (where x and
24.
y
are simple integers), and calculate its molar mass. (Assume the compound contains only one Co atom).
(b) Deduce the number of chloride (Cl) as counter ions and as ligand, respectively. (c) Write the Werner's
formula of the compound and give its systematic name.
(Answers: (a) Co(NH3);C13; molar mass = 250.43 g/mol; (b) 2 Cl are counter ions and one is ligand;
(c) [Co(NH3);CI]Cl2 = pentaammonechlorocobalt(III) chloride)
Chapter 19 Solutions
Chemistry by OpenStax (2015-05-04)
Ch. 19 - Write the electron configurations far each of the...Ch. 19 - Write the electron con?gurations for each of the...Ch. 19 - Write the electron configurations for each of the...Ch. 19 - Why are the lanthanoid elements not found in...Ch. 19 - Which of the following elements is most likely to...Ch. 19 - Which of the following is the strongest oxidizing...Ch. 19 - Which of the following elements is most likely to...Ch. 19 - The following reactions all occur in a blast...Ch. 19 - Why is the formation of slag useful during the...Ch. 19 - Would you expect an aqueous manganese (VII) oxide...
Ch. 19 - Iron (II) can be oxidized to iron (III) by...Ch. 19 - How many cubic feet of air at a pressure of 760...Ch. 19 - Find the potentials of the following...Ch. 19 - A 2.5624-g sample of a pure solid alkali metal...Ch. 19 - The standard reduction potential for the reaction...Ch. 19 - Predict the products of each of the following...Ch. 19 - Predict the products of each of the following...Ch. 19 - Describe the electrolytic process for refining...Ch. 19 - Predict the products of the following reactions...Ch. 19 - What is the gas produced when iron(II) sulfide is...Ch. 19 - Predict the products of each of the following...Ch. 19 - Balance the following equations by...Ch. 19 - Dilute sodium cyanide solution is slowly dripped...Ch. 19 - Predict which will be more stable, [CrO4]2- or...Ch. 19 - Give the oxidation state of the metal for each of...Ch. 19 - Indicate the coordination number for the central...Ch. 19 - Give the coordination numbers and write the...Ch. 19 - Give the coordination number for each metal ion in...Ch. 19 - Sketch the structures of the following complexes....Ch. 19 - Draw diagrams for any Cis, trans, and optical...Ch. 19 - Name each of the compounds or ions given in...Ch. 19 - Name each of the compounds or ions given in...Ch. 19 - Specify whether the following complexes have...Ch. 19 - Predict whether the carbonate ligand CO32- will...Ch. 19 - Draw the geometric, linkage, and ionization...Ch. 19 - Determine the number of unpaired electrons...Ch. 19 - Draw the Crystal field diagrams for [Fe(NO2)6]4-...Ch. 19 - Give the oxidation state of the metal, number of d...Ch. 19 - The solid anhydrous solid CoCl2 is blue in color....Ch. 19 - Is it possible for a complex of a metal in the...Ch. 19 - How many unpaired electrons are present in each of...Ch. 19 - Explain how the diphosphate ion, [O3P-O-PO3]4-,...Ch. 19 - For complexes of the same metal ion with no change...Ch. 19 - Trimethylphosphine, P(CH3)3, can act as a ligand...Ch. 19 - Would you expect the complex [Co(en)3]Cl3 to have...Ch. 19 - Would you expect the Mg3[Cr(CN)5]2 to be...Ch. 19 - Would you expect salts of the gold(I) ion, Au+, to...Ch. 19 - [CuCl4]2- is green. [Cu(H2O)6]2+ is blue. Which...
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