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1.) What are the oxidation states of the atoms in the following complex ions: (a) CO, (b) Cd(OH),, ()CO,, (d) Mo0,, and (e) HSO, ?

1.) What are the oxidation states of the atoms in the following complex ions: (a) CO, (b) Cd(OH),, ()CO,, (d) Mo0,, and (e) HSO, ?

Chemistry
Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
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1.) What are the oxidation states of the atoms in the following complex ions: (a) CO, (b) Cd(OH), , (e) CrO, (d) MoO, , and (e) HSO, ? 2.) Which of the following are oxidation-reduction reactions: (a) CIO +NO, CI + NO, (b) Ag+s-Ag,S, (e) 2Na +FeCl,-2NaCl+ Fe, and (d) 2H, +O,-2HO? 3.) For a galvanic cell composed of a nickel electrode submerged in Ni(NO)(aq) and an aluminum electrode submerged in A(NO,),(aq). (a) Write the equations for the anode and cathode half reactions, and (b) write the overall cell equation 4.) Identify the species that is oxidized and the species that is reduced in the following reactions: (a) Cr + SnC" +Sn"; (b) 3Hg+2Fe (s)-3Hg2+2Fe, (c) 2As (s) +3CI4g)-2ASCI, 5.) If the following two half cell reactions are up in a galvanic cell, (a) what voltage would be obtained? Cu" (aq) + 2e - Cu's) Cla(g) + 2e -- 2 (aq) (b) Which reaction would occur at the anode and which would occur at the cathode?
Transcribed Image Text:1.) What are the oxidation states of the atoms in the following complex ions: (a) CO, (b) Cd(OH), , (e) CrO, (d) MoO, , and (e) HSO, ? 2.) Which of the following are oxidation-reduction reactions: (a) CIO +NO, CI + NO, (b) Ag+s-Ag,S, (e) 2Na +FeCl,-2NaCl+ Fe, and (d) 2H, +O,-2HO? 3.) For a galvanic cell composed of a nickel electrode submerged in Ni(NO)(aq) and an aluminum electrode submerged in A(NO,),(aq). (a) Write the equations for the anode and cathode half reactions, and (b) write the overall cell equation 4.) Identify the species that is oxidized and the species that is reduced in the following reactions: (a) Cr + SnC" +Sn"; (b) 3Hg+2Fe (s)-3Hg2+2Fe, (c) 2As (s) +3CI4g)-2ASCI, 5.) If the following two half cell reactions are up in a galvanic cell, (a) what voltage would be obtained? Cu" (aq) + 2e - Cu's) Cla(g) + 2e -- 2 (aq) (b) Which reaction would occur at the anode and which would occur at the cathode?
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