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Concept explainers
(a)
Interpretation:
The feasibility of the reaction is to be determined where Li is produced from
Concept introduction:
The feasibility of a reaction depends upon the standard reduction potential of the reaction. If the EMF of the cell reaction has a positive value, then the reaction will certainly be spontaneous and feasible in nature.
A reducing agent is a chemical species which has the tendency to reduce others and gets oxidized itself in the reaction.
(b)
Interpretation:
The feasibility of the reaction is to be determined where Cs is produced from CsCl where Na acts as a reducing agent.
Concept introduction:
The feasibility of a reaction depends upon the standard reduction potential of the reaction. If the EMF of the cell reaction has a positive value, then the reaction will certainly be spontaneous and feasible in nature.
A reducing agent is a chemical species which has the tendency to reduce others and gets oxidized itself in the reaction.
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Chapter 21 Solutions
EBK GENERAL CHEMISTRY
- Write the formulas for the following compounds, andindicate the oxidation state of the group 4A element orof boron in each: (a) boric acid, (b) silicon tetrabromide,(c) lead(II) chloride, (d) sodium tetraborate decahydrate(borax), (e) boric oxide, (f) germanium dioxide.arrow_forwardMagnesium is obtained by electrolysis of molten MgCl2.(a) Why is an aqueous solution of MgCl2 not used in theelectrolysis? (b) Several cells are connected in parallel byvery large copper bars that convey current to the cells.Assuming that the cells are 96% efficient in producing thedesired products in electrolysis, what mass of Mg is formedby passing a current of 97,000 A for a period of 24 h?arrow_forwardExplain each of the following observations: (a) At roomtemperature I2 is a solid, Br2 is a liquid, and Cl2 and F2 areboth gases. (b) F2 cannot be prepared by electrolytic oxidationof aqueous F - solutions. (c) The boiling point of HFis much higher than those of the other hydrogen halides.(d) The halogens decrease in oxidizing power in the orderF2 > Cl2 > Br2 > I2.arrow_forward
- Write complete balanced half-reactions for (a) oxidation ofnitrous acid to nitrate ion in acidic solution, (b) oxidationof N2 to N2O in acidic solution.arrow_forwardExplain the following observations: (i) Sulphur has a greater tendency for catenation than oxygen. (ii) Fluorine is a stronger oxidising agent than chlorine. (iii) The +5 oxidation state becomes less stable down the group in group 15 of the periodic table.arrow_forward(a) What are the three commercial products formed in the chlor-alkali process? (b) State an advantage and a disadvantage of the mercury-cell method for this process.arrow_forward
- Although thermodynamically feasible, in practice, magnesium metal is not used for reduction of Alumina in the metallurgy of aluminium. Why?arrow_forwardWrite complete balanced half-reactions for (a) reduction ofnitrate ion to NO in acidic solution, (b) oxidation of HNO2to NO2 in acidic solution.arrow_forwardWrite the formulas for the following compounds, andindicate the oxidation state of the group 4A element or ofboron in each: (a) silicon dioxide, (b) germanium tetrachloride,(c) sodium borohydride, (d) stannous chloride,(e) diborane, (f) boron trichloride.arrow_forward
- Write the chemical formula for each of the following compounds,and indicate the oxidation state of the group 6Aelement in each: (a) selenous acid, (b) potassium hydrogensulfite, (c) hydrogen telluride, (d) carbon disulfide, (e) calciumsulfate, (f) cadmium sulfide, (g) zinc telluride.arrow_forwardGive reasons:(a) Platinum, gold and silver are used to make jewellery.(b) Sodium, potassium and lithium are stored under oil.(c) Aluminum is highly reactive metal, yet it is used to make utensils for cooking.(d) Carbonate and sulphides ores are usually converted into oxides during the process of extraction.arrow_forward(a) In the industrial production of iron, what is the reducing substance loaded into the blast furnace? (b) In addition to fur-nishing the reducing power, what other function does this sub-stance serve? (c) What is the formula of the active reducing agent in the process? (d) Write equations for the stepwise reduc-tion of Fe₂O₃ to iron in the furnacearrow_forward
- Chemistry: An Atoms First ApproachChemistryISBN:9781305079243Author:Steven S. Zumdahl, Susan A. ZumdahlPublisher:Cengage LearningPrinciples of Modern ChemistryChemistryISBN:9781305079113Author:David W. Oxtoby, H. Pat Gillis, Laurie J. ButlerPublisher:Cengage Learning
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