Chemistry
13th Edition
ISBN: 9781260162370
Author: Chang
Publisher: MCG
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Chapter 23, Problem 23.58QP
The Co2+-porphyrin complex is more stable than the Fe2+-porphyrin complex. Why, then, is iron the metal ion in hemoglobin (and other heme-containing proteins)?
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Chapter 23 Solutions
Chemistry
Ch. 23.1 - Identify the following transition metal atoms and...Ch. 23.3 - Write the oxidation numbers of the metals in the...Ch. 23.3 - Prob. 2PECh. 23.3 - Prob. 3PECh. 23.3 - Prob. 1RCFCh. 23.3 - What is the difference between these two...Ch. 23.3 - Prob. 3RCFCh. 23.4 - Prob. 1RCFCh. 23.5 - Prob. 4PECh. 23.5 - Prob. 1RCF
Ch. 23.5 - Determine the number of unpaired electrons in the...Ch. 23 - What distinguishes a transition metal from a...Ch. 23 - Why is zinc not considered a transition metal?Ch. 23 - Explain why atomic radii decrease very gradually...Ch. 23 - Without referring to the text, write the...Ch. 23 - Write the electron configurations of the following...Ch. 23 - Why do transition metals have more oxidation...Ch. 23 - Prob. 23.7QPCh. 23 - Prob. 23.8QPCh. 23 - Define the following terms: coordination compound,...Ch. 23 - Describe the interaction between a donor atom and...Ch. 23 - Prob. 23.11QPCh. 23 - Prob. 23.12QPCh. 23 - Prob. 23.13QPCh. 23 - Prob. 23.14QPCh. 23 - Prob. 23.15QPCh. 23 - What are the systematic names for the following...Ch. 23 - Prob. 23.17QPCh. 23 - Prob. 23.18QPCh. 23 - Define the following terms: stereoisomers,...Ch. 23 - Prob. 23.20QPCh. 23 - Prob. 23.21QPCh. 23 - Prob. 23.22QPCh. 23 - Prob. 23.23QPCh. 23 - Prob. 23.24QPCh. 23 - Draw structures of all the geometric and optical...Ch. 23 - Prob. 23.26QPCh. 23 - Briefly describe crystal field theory.Ch. 23 - Prob. 23.28QPCh. 23 - What is the origin of color in a coordination...Ch. 23 - Prob. 23.30QPCh. 23 - Prob. 23.31QPCh. 23 - Prob. 23.32QPCh. 23 - Prob. 23.33QPCh. 23 - Prob. 23.34QPCh. 23 - Prob. 23.35QPCh. 23 - The absorption maximum for the complex ion...Ch. 23 - Prob. 23.37QPCh. 23 - A solution made by dissolving 0.875 g of...Ch. 23 - Prob. 23.39QPCh. 23 - Prob. 23.40QPCh. 23 - Prob. 23.41QPCh. 23 - The [Fe(CN)6]3 complex is more labile than the...Ch. 23 - Aqueous copper(II) sulfate solution is blue in...Ch. 23 - When aqueous potassium cyanide is added to a...Ch. 23 - A concentrated aqueous copper(II) chloride...Ch. 23 - Prob. 23.46QPCh. 23 - As we read across the first-row transition metals...Ch. 23 - Prob. 23.48QPCh. 23 - Prob. 23.49QPCh. 23 - Prob. 23.50QPCh. 23 - Prob. 23.51QPCh. 23 - Chemical analysis shows that hemoglobin contains...Ch. 23 - Explain the following facts: (a) Copper and iron...Ch. 23 - A student in 1895 prepared three coordination...Ch. 23 - Prob. 23.55QPCh. 23 - From the standard reduction potentials listed in...Ch. 23 - Using the standard reduction potentials listed in...Ch. 23 - The Co2+-porphyrin complex is more stable than the...Ch. 23 - Prob. 23.59QPCh. 23 - Prob. 23.60QPCh. 23 - Hydrated Mn2+ ions are practically colorless (see...Ch. 23 - Which of the following hydrated cations are...Ch. 23 - Prob. 23.63QPCh. 23 - Prob. 23.64QPCh. 23 - Prob. 23.65QPCh. 23 - Prob. 23.66QPCh. 23 - The compound 1,1,1-trifluoroacetylacetone (tfa) is...Ch. 23 - Prob. 23.68QPCh. 23 - Prob. 23.69QPCh. 23 - Prob. 23.70QPCh. 23 - Prob. 23.71QPCh. 23 - Commercial silver-plating operations frequently...Ch. 23 - Draw qualitative diagrams for the crystal field...Ch. 23 - (a) The free Cu(I) ion is unstable in solution and...Ch. 23 - Prob. 23.75QPCh. 23 - Prob. 23.76QP
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- >Hemoglobin exists in two predominant forms in our bodies. One form, known as oxyhemoglobin, has O2 bound to the iron and the other, known as deoxyhemoglobin, has a water molecule bound instead. Oxyhemoglobin is a low-spin complex that gives arterial blood its red color, and deoxyhemoglobin is a high-spin complex that gives venous blood its darker color. Explain these observations in terms of crystal field splitting. Would you categorize O2 as a strong- or weak-field ligand?arrow_forwardYou are synthesizing a coordination complex using the following reaction: FeCl3 + 3K2C2O4 H₂O → K3Fe(C₂O4)3 3 H₂O + KCl To do this you have weighed out 11.113 g of K₂C₂O4 · H₂O (molar mass is 184.24 g/mol, dissolved it in 20 mL of warm DI water, and added 10.00 mL of a solution containing 0.400 g/mL of FeCl3, with a molar mass of 162.20 g/mol. 1. How many moles of K₂C₂O4 H₂O are present? 2. How many moles of FeCl3 are present? 3. Calculate the theoretical yield in grams. The molar mass of the product is 491.2 g/mol.arrow_forward<p>How can you tell whether a complex ion is optically active?arrow_forward
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