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Chapter 19: Q6 E (page 1092)

Which of the following is the strongest oxidizing agent: \(VO_4^3,CrO_4^{2 - },\)or \(MnO_4^ - \)?

Short Answer

Expert verified

The strongest oxidation agent is \(MnO_4^ - \)

Step by step solution

01

Oxidation agent:

An oxidizing agent is usually a chemical species that tends to oxidize other substances, by increasing oxidation state of the substance by making it lose electrons.

02

Compairing the given oxidation agent:

The strongest oxidation agent can easily accept electron;

  1. \(MnO_4^ - + 8{H^ + } + 5{e^ - } \to M{n^{2 + }} + 4{H_2}O\) E = +1.507V
  2. \(CrO_4^{2 - } + 4{H_2}O + 3{e^ - } \to Cr{(OH)_3} + 5O{H^ - }\) E = -0.13V
  3. \(VO_4^{3 - } + 6{H^ + } + 2{e^ - } \to V{O^ - } + 3{H_2}O\) E = +1.256V

Hence, the strongest oxidation agent is \(MnO_4^ - \)

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Most popular questions from this chapter

Describe the electrolytic process for refining copper.

Name each of the compounds or ions given in \(Exercise 19.28,\)including the oxidation state of the metal.

Is it possible for a complex of a metal in the transition series to have six unpaired electrons? Explain.

Determine the number of unpaired electrons expected for \({\left( {{\rm{Fe}}{{\left( {{\rm{N}}{{\rm{O}}_2}} \right)}_6}} \right)^{3 - }}\)and for \({\left( {Fe{F_6}} \right)^{3 - }}\)in terms of crystal field theory.

Sketch the structures of the following complexes. Indicate any cis, trans, and optical isomers.

\(\begin{aligned}{}(a)\left( {Pt{{\left( {{H_2}O} \right)}_2}B{r_2}} \right)\\(b)\left( {Pt\left( {N{H_3}} \right)(py)(Cl)(Br)} \right)\\(c)\left( {Zn{{\left( {N{H_3}} \right)}_3}Cl} \right)\\(d){\left( {Pt{{\left( {N{H_3}} \right)}_3}Cl} \right)^ + }\\(e)\left( {Ni{{\left( {{H_2}O} \right)}_4}C{l_2}} \right)\\(f){\left( {Co{{\left( {{C_2}{O_4}} \right)}_2}C{l_2}} \right)^{3 - }}\end{aligned}\)
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