Interpretation:
The oxidation states of all the atoms in MgO should be determined.
Concept Introduction:
The oxidation state is defined as the charge(s) that an atom would have when electron(s) were transferred completely from a molecule or ion.
Interpretation:
The oxidation states of all the atoms in Fe2 O3 should be determined.
Concept Introduction:
The oxidation state is defined as the charge(s) that an atom would have when electron(s) were transferred completely from a molecule or ion.
Interpretation:
The oxidation states of all the atoms in PCl3 should be determined.
Concept Introduction:
The oxidation state is defined as the charge(s) that an atom would have when electron(s) were transferred completely from a molecule or ion.
Interpretation:
The oxidation states of all the atoms in N2 O5 should be determined.
Concept Introduction:
The oxidation state is defined as the charge(s) that an atom would have when electron(s) were transferred completely from a molecule or ion.
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Introductory Chemistry: A Foundation
- . For each of the following unbalanced oxidation-reduction chemical equations, balance the equation by inspection, and identify which species is the reducing agent. a.Fe(s)+O2(g)Fe2O3(s)b.Al(s)+Cl2(g)AlCl3(s)c.Mg(s)+P4(s)Mg3P2(s)arrow_forwardWhich of the following compounds have the same oxidation level, and which have different levels?arrow_forwardBalance each of the following equations according to the half-reaction method: (a) MnO4(aq)+NO2(aq)MnO2(s)+NO3(aq) (in base) (b) MnO42(aq)MnO42(aq)+MnO2(s) (in base) (c) Br2(l)+SO2(g)Br(aq)+SO42(aq) (in acid)arrow_forward
- Determine the oxidation states of the elements in the compounds listed. None of the oxygen-containing compounds are peroxides or superoxides. (a) H2SO4 (b) Ca(OH)2 (C) BrOH (d) ClNO2 (e) TiCl4 (f) NaHarrow_forwardComplete and balance the following oxidation-reduction reactions, which give the highest possible oxidation state for the oxidized atoms. (a) Al(s)+F2(g) (b) Al(s)+CuBr2(aq) (single displacement) (c) P4(s)+O2(g) (d) Ca(s)+H2O(l) (products are a strong base and a diatomic gas)arrow_forwardComplete and balance each of the following half-reactions (steps 2—5 in half-reaction method): (a) Sn4+(aq)Sn2+(aq) (b) [Ag( NH 3)2]+(aq)Ag(s)+NH3(aq) (c) Hg2Cl2(s)Hg(l)+Cl(aq) (d) H2O(l)O2(g) (in acidic solution) (e) IO3(aq)I2(s) (f) SO32(aq)SO42(aq) (in acidic solution) (g) MnO4(aq)Mn2+(aq) (in acidic solution) (h) CI(aq)CIO3(aq) (in basic solution)arrow_forward
- Complete and balance each of the following half-reactions (steps 25 in half-reaction method): (a) Cr2+(aq)Cr3+(aq) (b) Hg(l)+Br(aq)HgBr42(aq) (c) ZnS(s)Zn(s)+S2(aq) (d) H2(g)H2O(l) (in basic solution) (e) H2(g)H3O+(aq) (in acidic solution) (f) NO3(aq)HNO2(aq) (in acidic solution) (g) MnO2(s)MnO4(aq) (in basic solution) (h) Cl(aq)ClO3(aq) (in acidic solution)arrow_forwardA solution contains both iron(II) and iron(III) ions. A sample Of the solution is titrated with 35.0 ml, of M KMnO4, which oxidizes Fe2+ to Fe3+. The permanganate ion is reduced to manganese(ll) ion. The equation for this reaction is MnO4(aq)+8 H+(aq)+5Fe2+(aq)Mn2+(aq)+5Fe3+ +4H2OAnother 50.00-mL sample of the solution is treated with zinc, which reduces all the Fe3+ to Fe2+. The equation for this reaction is 2Fe3+(aq)+Zn(s)2Fe2+(aq)+Zn2+(aq)The resulting solution is again titrated with 0.0280 M KMnO4; this time 48.0 ml, is required. What are the concentrations of Fe2+ and Fe3+ in the solution?arrow_forward
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