Concept explainers
(a)
Interpretation: Identify the following as an oxidation or a reduction:
Concept Introduction: Oxidation is the gain of electrons and reduction is the loss of electrons.
(b)
Interpretation: Identify the following as an oxidation or a reduction:
Concept Introduction: Oxidation is the gain of electrons and reduction is the loss of electrons.
(c)
Interpretation: Identify the following as an oxidation or a reduction:
Concept Introduction: Oxidation is the gain of electrons and reduction is the loss of electrons.
(d)
Interpretation: Identify the following as an oxidation or a reduction:
Concept Introduction: Oxidation is the gain of electrons and reduction is the loss of electrons.
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EBK BASIC CHEMISTRY
- Some metals, such as iron, can be oxidized to more than one oxidation state. Obtain the balanced net ionic equations for the following oxidation reduction reactions, in which nitric acid is reduced to nitric oxide, NO. a Oxidation of iron metal to iron(II) ion by nitric acid. b Oxidation of iron(II) ion to iron(III) ion by nitric acid. c Oxidation of iron metal to iron(III) by nitric acid. [Consider adding the a and b equations.]arrow_forwardUsing Table 17.1, calculate E° for the reaction between (a) lead and silver nitrate ion to produce lead(II) nitrate. (b) oxygen and iron(II) ions to produce water and iron(III) ions. (c) sulfur and nitrogen oxide gas in basic solution to form nitrate and sulfide ions.arrow_forward. Assign oxidation sates to all of the atoms in each of the following: a. NH3 b.CO C. CO2 d. NF3arrow_forward
- . For each of the following oxidation-reduction reactions of metals with nonmetals, identify which element is oxidized and which is reduced. a.4Na(s)+O2(g)2Na2O(s)b.Fe(s)+H2SO4(aq)FeSO4(aq)+H2(g)c.2Al2O3(s)4Al(s)+3O2(g)d.3Mg(s)+N2(g)Mg3N2(s)arrow_forwardThe Toliens test for the presence of reducing sugars (say, in a urine sample) involves treating the sample with silver ions in aqueous ammonia. The result is the formation of a silver mirror within the reaction vessel if a reducing sugar is present. Using glucose, C6H12O6, to illustrate this test, the oxidation-reduction reaction occurring is C6H12O6 (aq) + 2 Ag+(aq) + 2OH(aq) C6H12O7(aq) + 2 Ag(s) + H2O() What has been oxidized, and what has been reduced? What is the oxidizing agent, and what is the reducing agent? Tolien's test. The reaction of silver ions with a sugar such as glucose produces metallic silver. (a) The set-up for the reaction. (b) The silvered test tubearrow_forwardOne of the few industrial-scale processes that produce organic compounds electrochemically is used by the Monsanto Company to produce1,4-dicyanobutane. The reduction reaction is 2CH2CHCH+2H++2eNC(CH2)4CN The NC(CH2)4CN is then chemically reduced using hydrogen gas to H2N(CH2)6NH2, which is used in the production of nylon. What current must be used to produce 150.kg NC(CH2)4CN per hour?arrow_forward
- Write the equation for the reaction, if any, that occurs when each of the following experiments is performed under standard conditions. (a) Sulfur is added to mercury. (b) Manganese dioxide in acidic solution is added to liquid mercury. (c) Aluminum metal is added to a solution of potassium ions.arrow_forward. Balance each of the following oxidation-reduction reactions, which take place in acidic solution. a.MnO4(aq)+H2O2(aq)Mn2+(aq)+O2(g)b.BrO3(aq)+Cu+(aq)Br(aq)+Cu2+(aq)c.HNO2(aq)+I(aq)NO(g)+I2(aq)arrow_forwardAn aqueous solution of an unknown salt of gold is electrolyzed by a current of 2.75 amps for 3.39 hours. The electroplating is carried out with an efficiency of 93.0%, resulting in a deposit of 21.221 g of gold. a How many faradays are required to deposit the gold? b What is the charge on the gold ions (based on your calculations)?arrow_forward
- An equilibrium is established according to the following equation Hg22+(aq)+NO3(aq)+3H+(aq)2Hg2+(aq)+HNO2(aq)+H2O(l)Kc=4.6 What will happen in a solution that is 0.20 M each in Hg22+, NO3-, H+, Hg2+, and HNO2? (a) Hg22+ will be oxidized and NO3- reduced. (b) Hg22+ will be reduced and NO3- oxidized. (c) Hg22+ will be oxidized and HNO2 reduced. (d) Hg22+ will be reduced and HNO2 oxidized. (e) There will be no change because all reactants and products have an activity of 1.arrow_forwardBalance each of the following oxidationreduction reactions by using the oxidation states method. a.C2H4(g) + O2(g) CO3(g) + H2O(g) b. Mg(s) + HCl(aq) Mg2+(aq) + Cl(aq) + H2(g) c.Co3+(aq) + Ni(s) Co2+(aq) + Ni2+(aq) d.Zn(s) + H2SO4(aq) ZnSo4(aq) + H2(g)arrow_forwardWhy is cellular respiration an example of a redox reaction? O 81°F Mostly cloudy Glucose is broken down to produce energy. ATP is produced. It is a single transfer of electrons in which compounds are oxidized and reduced. O There is a long series of electron transfers in which compounds are oxidized and reduced. F 3 O Search 78866 $ 4 5 A F8 & 7 * 8 ( a ) 0 4arrow_forward
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