Describe the following reaction in terms of the lewis

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General Chemistry
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Chapter 22 / Exercise 22.73
General Chemistry
Ebbing/Gammon
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Describe the following reaction in terms of the Lewis theory of acids and bases: (4 points) AlCl3(s) + Cl –(aq) → AlCl4– (aq) AlCl 3 accepts an electron pair soit is a Lewis acid Cl- donates an electron pair so it is a Lewis base (Reference: Chang 15.94)
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General Chemistry
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Chapter 22 / Exercise 22.73
General Chemistry
Ebbing/Gammon
Expert Verified
4. Which would be considered a stronger Lewis acid: (a) BF3 or BCl3, (b) Fe+2 or Fe+3? Explain. (4 points) 5
(Reference: Chang 15.95) 5. Complete the following statements for the complex ion [Co(en)2(H2O)CN]2+. (16 points)\
b.
c. The coordination number of Co is: 6 d. ___en_ is a bidentate ligand. (Reference: Chang 23.11) 6. Give the oxidation numbers of the metals in the following species: (12 points)
(Reference: Chang 23.13) 7. What are the systematic names for the following ions and compounds? (12 points) 1 A. [Co(NH3)4Cl2]+ Tetraaminedischloridecobalt(III) ion 2 B. Cr(NH3)3Cl3 riammimetricholorochromium (III) ion 3 C. [Co(en)2Br2]+ Dibromobis ethylenediammimecobalt (III) ion 4 D. [Co(NH3)6]Cl3 Hexaminecobalt(III) ion (Reference: Chang 23.15)
8. Write the formulas for each of the following ions and compounds: (12 points) a. tetrahydroxozincate(II) [Zn(OH) 4 ] -2 b. pentaaquochlorochromium(III) [Cr(H 2 O) 5 Cl] -3 c. tetrabromocuprate(II) [Cu(Br) 4 ] -2 d. ethylenediaminetetraacetatoferrate(II) [Fe(El)TA] -2 (Reference: Chang 23.17) 9. Oxalic acid, H2C2O4, is sometimes used to clean rust stains from sinks and bathtubs. Explain the chemistry underlying this cleaning action. (3 points)
10. The label of a certain brand of mayonnaise lists EDTA as a food preservative. How does EDTA prevent the spoilage of mayonnaise? (3 points)
(Reference: Chang 23.66)

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