Inorganic Chemistry Problems.
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1. Use the VSEPR model to predict the probable shapes of (a) PCl4+, (b) PCl4-, (c) AsCl5.
2. Give balanced chemical equations for each of the following reactions.
(a) Oxidation of P4 with excess oxygen, (b) reaction of the product from part (a) with excess water, (c) reaction of the product from part (b) with a solution of CaCl2 and name the product.
3. State whether the following oxides are acidic, basic, neutral, or amphoteric: CO2, P2O5, SO3, MgO, K2O, Al2O3, CO.
4. Rank the following species from the strongest reducing agent to the strongest oxidizing agent: SO42-, SO32-, O3SO2SO32-.
5. SF4 reacts with BF3 to form [sF3] [BF4]. Use VSEPR theory to predict the shapes of the cation and anion.
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Solution Summary
Solution gives detailed information about how to draw the shapes of molecules using VSEPR theory , how to find if the given species is acid/ base / amphoteric / neutral/ oxidizing or reducing agent, balanced chemical equations
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1. Use the VSEPR model to predict the probable shapes of (a) PCl4+, (b) PCl4-, (c) AsCl5.
(a)
total valence electrons = phosphorous + 4*chlorine = 4 + 4*7 = 32
P is the central atom and the electronic shape is tetrahedral because there are four regions of electron density.
(b)
total valence electrons = phosphorous + 4*chlorine + 1*(negative charge) = 5 + 4*7 +1 = 34
P is the central atom and the electronic shape is trigonal bipyramidal because there are five regions of electron density.
(c)
total valence electrons = As + 5*chlorine + = 5 + 5*7 = 40
As is the central atom and the electronic shape is trigonal bipyramidal because there are five regions of electron ...
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