d. Cl (a + 2 Nal (ag) → l2 (aq) + 2 NaCi (aq) e. MnO2 (s) + 4 HCI (a0) → Cl2 (a) + MNCI, (ag) + 2 H,0 () (9) f. 2 Fe + O2 (9) + 2 H,O » 2 Fe(OH)2 (9) (s)
d. Cl (a + 2 Nal (ag) → l2 (aq) + 2 NaCi (aq) e. MnO2 (s) + 4 HCI (a0) → Cl2 (a) + MNCI, (ag) + 2 H,0 () (9) f. 2 Fe + O2 (9) + 2 H,O » 2 Fe(OH)2 (9) (s)
Chemistry: The Molecular Science
5th Edition
ISBN:9781285199047
Author:John W. Moore, Conrad L. Stanitski
Publisher:John W. Moore, Conrad L. Stanitski
Chapter3: Chemical Reactions
Section3.5: Oxidatino-reduction And Electron Transfer
Problem 3.12CE
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![101. Assign oxidation numbers to all the atoms or ions in each of the following reactions.
Then identify the reactant oxidized and the reactant reduced.
a. 4 Al (a)
+ 3 O2 (9)
2 Al,O3 (»)
b. Mg ()
+ 2 Ag'
2 Ag e + Mg (a)
(aq)
(s)
с. 2 Al
+ 6 H*
+ 2 Al3*
(aq)
+ 3 H2 (a)
(s)
(aq)
d. Cl2
+ 2 Nal (ag) 2 (aq) + 2 NaCI (ag)
(g)
e. MnO2 (s)
+ 4 HCI
→ Cl2 (g)
+ MnCl,
+ 2 H,0 m
(aq)
(aq)
2 Fe (s)
+ O2 (9) + 2 H,0 „ → 2 Fe(OH)2 (s)
f.
2 (g)](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F2d6f7a05-7ddd-4edf-9325-09ef7e0ab1c6%2F48fb8728-cfd7-40ad-936b-0b48634f8617%2Fgz582xm_processed.png&w=3840&q=75)
Transcribed Image Text:101. Assign oxidation numbers to all the atoms or ions in each of the following reactions.
Then identify the reactant oxidized and the reactant reduced.
a. 4 Al (a)
+ 3 O2 (9)
2 Al,O3 (»)
b. Mg ()
+ 2 Ag'
2 Ag e + Mg (a)
(aq)
(s)
с. 2 Al
+ 6 H*
+ 2 Al3*
(aq)
+ 3 H2 (a)
(s)
(aq)
d. Cl2
+ 2 Nal (ag) 2 (aq) + 2 NaCI (ag)
(g)
e. MnO2 (s)
+ 4 HCI
→ Cl2 (g)
+ MnCl,
+ 2 H,0 m
(aq)
(aq)
2 Fe (s)
+ O2 (9) + 2 H,0 „ → 2 Fe(OH)2 (s)
f.
2 (g)
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