Chemistry Atoms First2e
2nd Edition
ISBN: 9781947172647
Author: OpenStax
Publisher: OpenStax College
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Textbook Question
Chapter 19, Problem 27E
Give the coordination numbers and write the formulas for each of the following, including all isomers where appropriate:
(a) tetrahydroxozincate(ll) ion (tetrahedral).
(b) hexacyanopalladate(IV) ion.
(c) dichlomaurate(I) ion (note that aurum is Latin for "gold").
(d) diamminedichloroplatinum(Il).
(e) potassium diamminetetrachlorochromate(III).
(f) hexaamminecobalt(III) hexacyanochromate(III).
(g) dibromobis(ethylenediamine) cobalt(III) nitrate
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Give the coordination numbers and write the formulas for each of the following, including all isomers where appropriate:(a) tetrahydroxozincate(II) ion (tetrahedral)(b) hexacyanopalladate(IV) ion(c) dichloroaurate(I) ion (note that aurum is Latin for "gold")(d) diamminedichloroplatinum(II)(e) potassium diamminetetrachlorochromate(III)(f) hexaamminecobalt(III) hexacyanochromate(III)(g) dibromobis(ethylenediamine) cobalt(III) nitrate
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)
(a) Predict whether the glycinate ion,
H2N-CH, COO
is a monodentate, bidentate, or tridentate ligand:
monodentate
bidentate
tridentate
(b) What experiment could you perform to test this prediction?
Dissolve a complex solid containing this ligand in water and measure how many ions are produced.
O Compare the color of a metal complex containing this ligand with that of the same metal bound to a monodentate,
bidentate, or tridentate ligand.
Perform a ligand substitution reaction to determine the stoichiometric ratio between this ligand and a metal that forms
an octahedral complex.
Look up the answer on Google.
Determine the number of unpaired electrons in a metal-complex containing this ligand using a magnetic susceptibility
balance.
Chapter 19 Solutions
Chemistry Atoms First2e
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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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