EBK GENERAL CHEMISTRY
11th Edition
ISBN: 9780133400588
Author: Bissonnette
Publisher: VST
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Textbook Question
Chapter 23, Problem 9E
As a group, the lanthanides are more reactive metals than are those in the first transaction series. How do you account for this difference?
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Please do short explaination the Lanthanide Contraction phenomena along with the example.
(a) What is the lanthanide contraction? (b) How does it affectatomic size down a group of transition elements? (c) How doesit influence the densities of the Period 6 transition elements?
Explain the following :(a) The enthalpies of atomization of transition metals are quite high.(b) The transition metals and many of their compounds act as good catalysts.
Chapter 23 Solutions
EBK GENERAL CHEMISTRY
Ch. 23 - By means of orbital diagrams, write electron...Ch. 23 - Arrange the following species according to the...Ch. 23 - Describe how the transition elements compare with...Ch. 23 - With only minor irregularities, the melting points...Ch. 23 - Why do the atomic radii vary so much for two...Ch. 23 - Prob. 6ECh. 23 - Which of me first transition series elements...Ch. 23 - Why is the number of common oxidation states for...Ch. 23 - As a group, the lanthanides are more reactive...Ch. 23 - The maximum difference in standard reduction...
Ch. 23 - Complete and balance the following equations. If...Ch. 23 - By means of e chemical equation, give an example...Ch. 23 - Prob. 13ECh. 23 - Prob. 14ECh. 23 - Prob. 15ECh. 23 - Prob. 16ECh. 23 - Prob. 17ECh. 23 - According to Figure 23-8, G decreases with...Ch. 23 - Prob. 19ECh. 23 - Prob. 20ECh. 23 - Write plausible half-equations to represent each...Ch. 23 - Prob. 22ECh. 23 - Use electrode potential data from this chapter or...Ch. 23 - You are given these three reducing agents: Zn(s);...Ch. 23 - Prob. 25ECh. 23 - Prob. 26ECh. 23 - Prob. 27ECh. 23 - Use data from the text to construct a standard...Ch. 23 - When a soluble lead compound is added to a...Ch. 23 - Prob. 30ECh. 23 - Prob. 31ECh. 23 - If CO2(g) under pressure is passed into...Ch. 23 - Use equation (23.19) to determine [Cr2O72] in a...Ch. 23 - If a solution is prepared by dissolving 1.505 g...Ch. 23 - Prob. 35ECh. 23 - Prob. 36ECh. 23 - Prob. 37ECh. 23 - Prob. 38ECh. 23 - Will reaction (23.25) still be spontaneous in the...Ch. 23 - Prob. 40ECh. 23 - Prob. 41ECh. 23 - Prob. 42ECh. 23 - Prob. 43ECh. 23 - Prob. 44ECh. 23 - Prob. 45ECh. 23 - Prob. 46ECh. 23 - Prob. 47ECh. 23 - At 400C , 2Hg(I)+O2(g)2HgO(s) for the reaction...Ch. 23 - Prob. 49ECh. 23 - Prob. 50ECh. 23 - Prob. 51ECh. 23 - Prob. 52ECh. 23 - Prob. 53ECh. 23 - Prob. 54ECh. 23 - The text notes that in small quantities, zinc is...Ch. 23 - Prob. 56ECh. 23 - What formulas would you expect for the metal...Ch. 23 - For the straight-line graphs in Figure 23-8...Ch. 23 - Prob. 59ECh. 23 - Prob. 60ECh. 23 - Prob. 61ECh. 23 - Prob. 62ECh. 23 - Prob. 63ECh. 23 - Prob. 64ECh. 23 - Prob. 65ECh. 23 - Prob. 66ECh. 23 - Prob. 67ECh. 23 - Prob. 68ECh. 23 - Prob. 69ECh. 23 - Prob. 70ECh. 23 - Prob. 71ECh. 23 - For a coordination number of four, the radius of...Ch. 23 - Prob. 73ECh. 23 - Prob. 74FPCh. 23 - Several transition metal ions are found in cation...Ch. 23 - Prob. 76SAECh. 23 - Briefly describe each of the following ideas. phe...Ch. 23 - Prob. 78SAECh. 23 - Prob. 79SAECh. 23 - Prob. 80SAECh. 23 - Prob. 81SAECh. 23 - Prob. 82SAECh. 23 - Prob. 83SAECh. 23 - Prob. 84SAECh. 23 - Prob. 85SAECh. 23 - Provide the missing name or formula for the...Ch. 23 - Prob. 87SAECh. 23 - Prob. 88SAECh. 23 - Prob. 89SAECh. 23 - Prob. 90SAE
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- Why does the reactivity of the alkali metals decrease from cesium to lithium?arrow_forwardDescribe the periodic trends in radii and oxidation states of the transition-metal ions, including the origin and effect of the lanthanide contraction.arrow_forward(a) What is the range in electronegativity across the first (3d)transition series? (b) What is the range across Period 4 of main-group elements? (c) Explain the difference.arrow_forward
- List the elements: H, Sn, Mg, Cu, Pb, Ag, Zn and Fe from the most active to the least active. Discuss your reasoning. Also, what observations did you look for to determine if a metal underwent a reaction?arrow_forwardWhat structural feature is characteristic of a chelate?arrow_forwardState reasons for the following observations: (i) The enthalpies of atomisation of transition elements are quite high. (ii) There is a greater horizontal similarity in the properties of the transition elements than of the main group elements.arrow_forward
- There have been some predictions that element 114 willbe relatively stable in comparison with many other elements beyond uranium in the periodic table. Predict themaximum oxidation state of this element. Based on thetrends in the oxidation states of other members of itsgroup, is it likely that this oxidation state will be thedominant one?arrow_forward(a) Explain the major difference between the number of oxidation states of most transition elements and that of most main-group elements. (b) Why is the +2 oxidation state so common among transition elements?arrow_forwardLanthanide contraction caused the similarities of the radius of the 4d and 5d metals and is responsible for the low reactivity of the 2nd and 3rd transition series.* True or falsearrow_forward
- 5. What would you predict about the solubilities of beryllium salts and radium salts relative to the other Group IIA metal salts?arrow_forwardGive the oxidation state of the metal for each of the following oxides of the first transition series. (Hint: Oxides of formula M3O4 are examples of mixed valence compounds in which the metal ion is present in more than oneoxidation state. It is possible to write these compound formulas in the equivalent format MO∙M2O3, to permit estimation of the metal’s two oxidation states.)(a) Sc2O3(b) TiO2(c) V2O5(d) CrO3(e) MnO2(f) Fe3O4(g) Co3O4(h) NiO(i) Cu2Oarrow_forwardHow would you account for the following? (i) Transition metals exhibit variable oxidation states. (ii) Zr (Z = 40) and Hf (Z = 72) have almost identical radii. (iii) Transition metals and their compounds act as catalyst.arrow_forward
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Lanthanoids and its Position in Periodic Table - D and F Block Elements - Chemistry Class 12; Author: Ekeeda;https://www.youtube.com/watch?v=ZM04kRxm6tY;License: Standard YouTube License, CC-BY