Indietro
Problema 109d
Assign oxidation numbers to each element in the following compounds. (d) Mn2O7
Problema 109e
Assign oxidation numbers to each element in the following compounds. (e) OsO4
Problema 109f
Assign oxidation numbers to each element in the following compounds. (f) H2PtCl6
Problema 110a
Assign oxidation numbers to each element in the following ions. (a) ClO3-
Problema 110b
Assign oxidation numbers to each element in the following ions. (b) SO3
Problema 110d
Assign oxidation numbers to each element in the following ions. (d) NO2-
Problema 110e
Assign oxidation numbers to each element in the following ions. (e) BrO-
Problema 110f
Assign oxidation numbers to each element in the following ions. (f) AsO4 3-
Problema 111a
Assign oxidation numbers to each element in the following ions. (a) Cr(OH)4-
Problema 111b
Assign oxidation numbers to each element in the following ions. (b) S2O3 2-
Problema 111c
Assign oxidation numbers to each element in the following ions. (c) NO3-
Problema 111d
Assign oxidation numbers to each element in the following ions. (d) MnO4 2-
Problema 111e
Assign oxidation numbers to each element in the following ions. (e) HPO4 2-
Problema 111f
Assign oxidation numbers to each element in the following ions. (f) V2O7 4-
Problema 112a
Nitrogen can have several different oxidation numbers ranging in value from -3 to +5. (a) Write the formula and give the name of the nitrogen oxide compound in which nitrogen has an oxidation number of +1, +2, +4, and +5.
Problema 112b
Nitrogen can have several different oxidation numbers ranging in value from -3 to +5. (b) Based on oxidation numbers, which nitrogen oxide from part (a) cannot react with molecular oxygen?
Problema 113a
Phosphorus can have several different oxidation numbers ranging in value from -3 to +5. (a) When phosphorus burns in air or oxygen, it yields either tetraphosphorus hexoxide or tetraphosphorus decoxide. Write the formula and give the oxidation number for each compound.
Problema 113b
Phosphorus can have several different oxidation numbers ranging in value from -3 to +5. (b) Based on oxidation numbers, which phosphorus oxide compound from part (a) was formed by combustion with a limited supply of oxygen?
- Where in the periodic table are the best reducing agents found? The best oxidizing agents?
Problema 114
- Where in the periodic table are the most easily reduced elements found? The most easily oxidized?
Problema 115
- In each of the following instances, tell whether the substance gains electrons or loses electrons in a redox reaction. (a) An oxidizing agent (b) A reducing agent (c) A substance undergoing oxidation (d) A substance undergoing reduction
Problema 116
- Tell for each of the following substances whether the oxidation number increases or decreases in a redox reaction. (a) An oxidizing agent (b) A reducing agent (c) A substance undergoing oxidation (d) A substance undergoing reduction
Problema 117
Problema 118a
Which element is oxidized and which is reduced in each of the following reactions? (a)
Problema 118b
Which element is oxidized and which is reduced in each of the following reactions? (b)
Problema 119a
Which element is oxidized and which is reduced in each of the following reactions? (a)
Problema 119b
Which element is oxidized and which is reduced in each of the following reactions? (b)
Problema 120a
Use the activity series of metals (Table 4.5) to predict the outcome of each of the following reactions. If no reaction occurs, write NR. (a)
Problema 120b
Use the activity series of metals (Table 4.5) to predict the outcome of each of the following reactions. If no reaction occurs, write NR. (b)
Problema 120c
Use the activity series of metals (Table 4.5) to predict the outcome of each of the following reactions. If no reaction occurs, write NR. (c)
Problema 120d
Use the activity series of metals (Table 4.5) to predict the outcome of each of the following reactions. If no reaction occurs, write NR. (d)