Chapter 19: Q.10E (page 1092)
Would you expect an aqueous manganese (VII) oxide solution to have a pH greater or less than 7.0? Justify your answer.
Short Answer
An aqueous manganese (VII) oxide has pH less than 7.0 because it is an acid.
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Chapter 19: Q.10E (page 1092)
Would you expect an aqueous manganese (VII) oxide solution to have a pH greater or less than 7.0? Justify your answer.
An aqueous manganese (VII) oxide has pH less than 7.0 because it is an acid.
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Which of the following elements is most likely to form an oxide with the formula\(M{O_3}\): Zr, Nb, or Mo?
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 鈥済old鈥)
(d) diamminedichloroplatinum(II)
(e) potassium diamminetetrachlorochromate(III)
(f) hexaamminecobalt(III) hexacyanochromate(III)
(g) dibromobis(ethylenediamine) cobalt(III) nitrate
The standard reduction potential for the reaction \({(Co{({H_2}O)_6})^{3 + }}(aq) + {e^ - } \to {(Co{({H_2}O)_6})^{2 + }}(aq)\)is about 1.8 V. The reduction potential for the reaction \({(Co{(N{H_3})_6})^{3 + }}(aq) + {e^ - } \to {(Co{(N{H_3})_6})^{2 + }}(aq)\) is +0.1 V. Calculate the cell potentials to show whether the complex ions, \({(Co{({H_2}O)_6})^{2 + }}\) and/or\({(Co{(N{H_3})_6})^{2 + }}\), can be oxidized to the corresponding cobalt (III) complex by oxygen.
Describe the electrolytic process for refining copper.
Determine the number of unpaired electrons expected for \({\left( {{\rm{Fe}}{{\left( {{\rm{N}}{{\rm{O}}_2}} \right)}_6}} \right)^{3 - }}\)and for \({\left( {Fe{F_6}} \right)^{3 - }}\)in terms of crystal field theory.
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