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Get Full Access to Chemistry: The Central Science - 14 Edition - Chapter 22 - Problem 22.57
Get Full Access to Chemistry: The Central Science - 14 Edition - Chapter 22 - Problem 22.57

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# Write a molecular formula for each compound, and indicate the oxidation state of the group 5A element in each formula: (a) phosphorous acid, (b)

ISBN: 9780134414232 1274

## Solution for problem 22.57 Chapter 22

Chemistry: The Central Science | 14th Edition

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Problem 22.57 Write a molecular formula for each compound, and indicate the oxidation state of the group 5A element in each formula: (a) phosphorous acid, (b) pyrophosphoric acid, (c) antimony trichloride, (d) magnesium arsenide, (e) diphosphorus pentoxide, (f) sodium phosphate
Step-by-Step Solution:

Step 1 of 5) Coordination-sphere isomers are isomers that differ in which species in the complex act as ligands, and which are outside the coordination sphere. For example, three isomers have the formula CrCl3(H2O)6. When the ligands are six H2O and the chloride ions are in the crystal lattice (as counterions), we have the violet compound 3Cr(H2O)64Cl3. When the ligands are five H2O and one Cl -, with the sixth H2O and the two Cl - out in the lattice, we have the green compound 3Cr(H2O)5Cl4Cl2 # H2O. The third isomer, 3Cr(H2O)4Cl24Cl # 2 H2O, is also a green compound. In the two green compounds, either one or two water molecules have been displaced from the coordination sphere by chloride ions. The displaced H2O molecules occupy a site in the crystal lattice.

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