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(a)
Interpretation:
The name of the given binary ionic compound is to be stated by adding the endings -ous and -ic to indicate the lower and higher ionic charges of the metal ion in each pair of compound.
Concept introduction:
Ionic compounds are those compounds that have the strong electrostatic force of attraction between the oppositely charged ions. The binary ionic compounds are composed of only one cation and one anion.
The naming of non-metal ions is done by the addition of suffix –ide at the end of the element’s name. The naming of binary ionic compound is represented by the name of metal followed by the name of non-metal.
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Answer to Problem 4.33E
The name of the binary ionic compound CrCl2 is chromous chloride and CrCl3 is chromic chloride.
Explanation of Solution
The non-English names are used to indicate the lower and higher ionic charges of the metal ion. The ending -ous is added to an ion that has lower charge and -ic is added to an ion that has higher charge.
The binary ionic compounds are CrCl2 and CrCl3. Both the compounds contain chromium as a metal and chlorine as a non-metal. The chromium can exists as Cr2+ and Cr3+ ions and chlorine as Cl− ions in ionic form. The ending -ous is used for Cr2+ while endings -ic is used for Cr3+. The suffix –ide is added after “chlor” of chlorine to obtain chloride.
Hence, the name of the binary ionic compound CrCl2 is chromous chloride and CrCl3 is chromic chloride.
The name of the binary ionic compound CrCl2 is chromous chloride and CrCl3 is chromic chloride.
(b)
Interpretation:
The name of the given binary ionic compound is to be stated by adding the endings -ous and -ic to indicate the lower and higher ionic charges of the metal ion in each pair of compound.
Concept introduction:
Ionic compounds are those compounds that have the strong electrostatic force of attraction between the oppositely charged ions. The binary ionic compounds are composed of only one cation and one anion.
The naming of non-metal ions is done by the addition of suffix –ide at the end of the element’s name. The naming of binary ionic compound is represented by the name of metal followed by the name of non-metal.
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Answer to Problem 4.33E
The name of the binary ionic compound CoS is cobaltous sulfide and Co2S3 is cobaltic sulfide.
Explanation of Solution
The non-English names are used to indicate the lower and higher ionic charges of the metal ion. The ending -ous is added to an ion that has lower charge and -ic is added to an ion that has higher charge.
The binary ionic compounds are CoS and Co2S3. Both the compounds contain cobalt as a metal and sulfur as a non-metal. The cobalt can exists as Co2+ and Co3+ ions and sulfide as S2− ions in ionic form. The endings -ous is used for Co2+ while endings -ic is used for Co3+. The suffix –ide is added after “sulf” of sulfur to obtain sulfide.
Hence, the name of the binary ionic compound CoS is cobaltous sulfide and Co2S3 is cobaltic sulfide.
The name of the binary ionic compound CoS is cobaltous sulfide and Co2S3 is cobaltic sulfide.
(c)
Interpretation:
The name of the given binary ionic compound is to be stated by adding the endings -ous and -ic to indicate the lower and higher ionic charges of the metal ion in each pair of compound.
Concept introduction:
Ionic compounds are those compounds that have the strong electrostatic force of attraction between the oppositely charged ions. The binary ionic compounds are composed of only one cation and one anion.
The naming of non-metal ions is done by the addition of suffix –ide at the end of the element’s name. The naming of binary ionic compound is represented by the name of metal followed by the name of non-metal.
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Answer to Problem 4.33E
The name of the binary ionic compound FeO is ferrous oxide and Fe2O3 is ferric oxide.
Explanation of Solution
The non-English names are used to indicate the lower and higher ionic charges of the metal ion. The ending -ous is added to an ion that has lower charge and -ic is added to an ion that has higher charge.
The binary ionic compounds are FeO and Fe2O3. Both the compounds contain iron as a metal and oxygen as a non-metal. The iron can exists as Fe2+ and Fe3+ ions and oxygen as O2− ion in ionic form.
The endings -ous is used for Fe2+ while endings -ic is used for Fe3+. The suffix –ide is added after “ox” of oxygen to obtain oxide.
Hence, the name of the binary ionic compound FeO is ferrous oxide and Fe2O3 is ferric oxide.
The name of the binary ionic compound FeO is ferrous oxide and Fe2O3 is ferric oxide.
(d)
Interpretation:
The name of the given binary ionic compound is to be stated by adding the endings -ous and -ic to indicate the lower and higher ionic charges of the metal ion in each pair of compound.
Concept introduction:
Ionic compounds are those compounds that have the strong electrostatic force of attraction between the oppositely charged ions. The binary ionic compounds are composed of only one cation and one anion.
The naming of non-metal ions is done by the addition of suffix –ide at the end of the element’s name. The naming of binary ionic compound is represented by the name of metal followed by the name of non-metal.
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Answer to Problem 4.33E
The name of the binary ionic compound PbCl2 is plumbous chloride and PbCl4 is plumbic chloride.
Explanation of Solution
The non-English names are used to indicate the lower and higher ionic charges of the metal ion. The ending -ous is added to an ion that has lower charge and -ic is added to an ion that has higher charge.
The given binary ionic compounds are PbCl2 and PbCl4. Both the compounds contain lead as a metal and chlorine as a non-metal. The lead can exists as Pb2+ and Pb4+ and chlorine as Cl− ion in ionic form.
The non-English root for lead (Pb) is plumb-. The endings -ous is used for Pb2+ while endings -ic is used for Pb4+. The suffix –ide is added after “ox” of oxygen to obtain oxide. The suffix –ide is added after “chlor” of chlorine to obtain chloride.
Hence, the name of the binary ionic compound PbCl2 is plumbous chloride and PbCl4 is plumbic chloride.
The name of the binary ionic compound PbCl2 is plumbous chloride and PbCl4 is plumbic chloride.
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Chapter 4 Solutions
Chemistry for Today: General, Organic, and Biochemistry
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