Chemistry & Chemical Reactivity
9th Edition
ISBN: 9781133949640
Author: John C. Kotz, Paul M. Treichel, John Townsend, David Treichel
Publisher: Cengage Learning
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Chapter 22, Problem 65IL
Two different coordination compounds containing one cobalt(III) ion, five ammonia molecules, one bromide ion, and one sulfate ion exist. The dark violet form (A) gives a precipitate upon addition of aqueous BaCl2. No reaction is seen upon addition of aqueous BaCl2 to the violet-red form (B). Suggest structures for these two compounds, and write a chemical equation for the reaction of (A) with aqueous BaCl2.
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(b) Give the full name, the oxidation state and the valence shell electronic configuration for
the metal in each of the following compounds.
(1) Na[Fe(CO).]
(i) [Co(OH)]Ck
(iii) W(CO),
(c) Give one example in each case of a tetrahedral transition metal coordination compound
that exhibits (i) coordination isomerism and (ii) geometric isomerism. Draw structures of
all the isomers in each case.
Answer either (d) or (e)
(d) Consider the compound [Fe(CN);(NH:)4]" and answer the following questions:
(i) Which is the oxidation state of the metal and how many d electrons does it have?
(ii) Draw the crystal field splitting pattern of the compound. This should include a
diagram that shows the relative energy levels and how many electrons are found in cach d
orbital, as well as orbital and symmetry labels.
A coordination compound has been determined to be composed of 18.4% Co, 26.6% NH3, 30.0% SO2²,
and 25.0% Br , by mass. The compound was also determined to have two different isomers, A and B,
such that the solution of isomer-A was found to react with AgNO3(aq) to produce AgBr precipitate, but
the reaction with Ba(NO:)2(ag) did not produce any precipitate. While the solution of isomer-B did not
produce any precipitate when reacted with AgNO3(aq), but it produced BaSO4 precipitated when the
solution is reacted with Ba(NO;)2(ag).
(a) Determine the empirical formula of the compound written in the form of Co(NH3)x(SO4),Brz.
(b) Assuming that all of NH; molecules in the formula are ligands, deduce the Werner's formula for
isomers A and B, respectively, and give the systemic name for each isomer.
(c) Write molecular equations for the reaction of each isomer with AgNO3(ag) and Ba(NO3)2(aq).
6.
a)
Consider the following coordination compound [Fe(H₂O)2(en)2][SO4] and
answer the questions which follow:
(i)
Draw and label the structures of both stereoisomers of the cationic
complex. Clearly show the geometry at the metal centre.
(ii)
(iii)
What is the oxidation state of Fe?
Determine the number of chelate rings in the complex.
Chapter 22 Solutions
Chemistry & Chemical Reactivity
Ch. 22.1 - Prob. 1RCCh. 22.2 - Prob. 1QCh. 22.2 - 2. Describe the unit cell of austenite.
Ch. 22.2 - Prob. 3QCh. 22.2 - Prob. 1RCCh. 22.2 - Prob. 2RCCh. 22.3 - (a) What is the formula of a complex ion composed...Ch. 22.3 - (a) Determine the metals oxidation number and...Ch. 22.3 - Name the following coordination compounds. (a)...Ch. 22.3 - Prob. 1RC
Ch. 22.3 - 2. What is the oxidation number of the metal in...Ch. 22.3 - Prob. 3RCCh. 22.3 - Prob. 4RCCh. 22.4 - What types of isomers are possible for the...Ch. 22.4 - Prob. 1RCCh. 22.4 - Prob. 2RCCh. 22.4 - Prob. 3RCCh. 22.4 - Prob. 4RCCh. 22.4 - Prob. 1QCh. 22.5 - Prob. 1CYUCh. 22.5 - Prob. 1RCCh. 22.5 - Prob. 2RCCh. 22.6 - Prob. 1QCh. 22.6 - Prob. 2QCh. 22.6 - Prob. 3QCh. 22.6 - Prob. 4QCh. 22.6 - Prob. 1CYUCh. 22.6 - Prob. 1RCCh. 22.6 - How are the d electrons of Pt distributed in a...Ch. 22.6 - What are the electron configurations for Nd and...Ch. 22.6 - Prob. 3CSCh. 22.6 - Prob. 4CSCh. 22.6 - Prob. 5CSCh. 22 - Prob. 1PSCh. 22 - Prob. 2PSCh. 22 - Identify a cation of a first series transition...Ch. 22 - Match up the isoelectronic ions on the following...Ch. 22 - Prob. 5PSCh. 22 - Prob. 6PSCh. 22 - Which of the following ligands is expected to be...Ch. 22 - One of the following nitrogen compounds or ions is...Ch. 22 - Prob. 9PSCh. 22 - Prob. 10PSCh. 22 - Prob. 11PSCh. 22 - Prob. 12PSCh. 22 - Prob. 13PSCh. 22 - Prob. 14PSCh. 22 - Prob. 15PSCh. 22 - Prob. 16PSCh. 22 - Give the name or formula for each ion or compound,...Ch. 22 - Prob. 18PSCh. 22 - Prob. 19PSCh. 22 - Prob. 20PSCh. 22 - Prob. 21PSCh. 22 - Prob. 22PSCh. 22 - Prob. 23PSCh. 22 - Prob. 24PSCh. 22 - Prob. 25PSCh. 22 - Prob. 26PSCh. 22 - Prob. 27PSCh. 22 - Prob. 28PSCh. 22 - Prob. 29PSCh. 22 - Prob. 30PSCh. 22 - In water, the titanium(III) ion, [Ti(H2O)6]3+, has...Ch. 22 - Prob. 32PSCh. 22 - Prob. 33GQCh. 22 - Prob. 34GQCh. 22 - How many unpaired electrons are expected for...Ch. 22 - Prob. 36GQCh. 22 - Which of the following complex ions is (are)...Ch. 22 - Prob. 38GQCh. 22 - How many geometric isomers are possible for the...Ch. 22 - For a tetrahedral complex of a metal in the first...Ch. 22 - Prob. 41GQCh. 22 - Prob. 42GQCh. 22 - Prob. 43GQCh. 22 - A platinum-containing compound, known as Magnuss...Ch. 22 - Prob. 45GQCh. 22 - Prob. 46GQCh. 22 - Prob. 47GQCh. 22 - How many geometric isomers of the complex ion...Ch. 22 - Prob. 49GQCh. 22 - Prob. 50GQCh. 22 - Prob. 51GQCh. 22 - The square-planar complex Pt(en)Cl2 has chloride...Ch. 22 - The complex [Mn(H2O)6]2+ has five unpaired...Ch. 22 - Experiments show that K4[Cr(CN)6] is paramagnetic...Ch. 22 - Give a systematic name or the formula for the...Ch. 22 - When CrCI3 dissolves in water, three different...Ch. 22 - Prob. 57GQCh. 22 - The glycinate ion, H2NCH2CO2, formed by...Ch. 22 - Prob. 59GQCh. 22 - Nickel and palladium both form complexes of the...Ch. 22 - The transition metals form a class of compounds...Ch. 22 - Cerium, as noted in Applying Chemical Principles:...Ch. 22 - Prob. 64GQCh. 22 - Two different coordination compounds containing...Ch. 22 - Prob. 71SCQCh. 22 - Prob. 69SCQCh. 22 - Prob. 70SCQ
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- Four different octahedral chromium coordination compounds exist that all have the same oxidation state for chromium and have H2O and Cl as the ligands and counterions. When 1 mole of each of the four compounds is dissolved in water, how many moles of silver chloride will precipitate upon addition of excess AgNO3?arrow_forwardA coordination compound has been determined to be composed of 18.4% Co, 26.6% NH3, 30.0% SO4 , and 25.0% Br–, by mass. The compound was also determined to have two different isomers, A and B, such that the solution of isomer-A was found to react with AgNO3(aq) to produce AgBr precipitate, but the reaction with Ba(NO3)2(aq) did not produce any precipitate. While the solution of isomer-B did not produce any precipitate when reacted with AgNO3(aq), but it produced BaSO4 precipitated when the solution is reacted with Ba(NO3)2(aq). (a) Determine the empirical formula of the compound written in the form of Co(NH3)x(SO4)yBrz. (b) Assuming that all of NH3 molecules in the formula are ligands, deduce the Werner’s formula for isomers A and B, respectively, and give the systemic name for each isomer.(c) Write molecular equations for the reaction of each isomer with AgNO3(aq) and Ba(NO3)2(aq).arrow_forward
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