(a)
Interpretation:
In the ion
(a)
Explanation of Solution
The given ion is
The oxidation number of hydrogen
(b)
Interpretation:
In the ion
(b)
Explanation of Solution
The given ion is
The oxidation number of iron
(c)
Interpretation:
In the ion
(c)
Explanation of Solution
The given ion is
The oxidation number of oxygen
(d)
Interpretation:
In the ion
(d)
Explanation of Solution
The given ion is
The oxidation number of silicon
(e)
Interpretation:
In the ion
(e)
Explanation of Solution
The given ion is
The oxidation number of arsenic
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Chapter 14 Solutions
EBK INTRODUCTION TO CHEMISTRY
- Gold can be dissolved from gold-bearing rock by treating the rock with sodium cyanide in the presence of oxygen. 4 Au(s) + 8 NaCN(aq) + O2(g) + 2 H2O() 4 NaAu(CN)2(aq) + 4 NaOH(aq) (a) Name the oxidizing and reducing agents in this reaction. What has been oxidized, and what has been reduced? (b) If you have exactly one metric ton (1 metric ton = 1000 kg) of gold-bearing rock, what volume of 0.075 M NaCN, in liters, do you need to extract the gold if the rock is 0.019% gold?arrow_forwardAssign an oxidation number to the underlined atom in each ion or molecule. (a) Fe2O3, (b) H2SO4, (C) CO32- (C) NO2+arrow_forwardBalance each of the following oxidationreduction reactions by using the oxidation states method. a.Cl2(g) + Al(s) Al3+(aq) + Cl(aq) b.O2(g) + H2O(l) + Pb(s) Pb(OH)2(s) c.H+(aq)+MnO4(aq)+Fe2+(aq)Mn2+(aq)+Fe3+(aq)+H2O(l)arrow_forward
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