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Electrochemistry question

2013 · Shift 0 · Q15
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Electrochemistry question

2013 · Shift 0 · Q15

JEE MainChemistryElectrochemistryMCQ+4 / −1
Given ECr2+/CroE_{C{r^{2 + }}/Cr}^oECr2+/Cro​= -0.74 V; EMnO4−/Mn2+oE_{MnO_4^ - /M{n^{2 + }}}^oEMnO4−​/Mn2+o​= 1.51 V ECr2O72−/Cr3+oE_{C{r_2}O_7^{2 - }/C{r^{3 + }}}^oECr2​O72−​/Cr3+o​= 1.33 V; ECl/Cl−oE_{Cl/C{l^ - }}^oECl/Cl−o​ = 1.36 V Based on the data given above, strongest oxidising agent will be :
  1. A
    Cr3+Cr^{3+}Cr3+
  2. B
    Mn2+Mn^{2+}Mn2+
  3. C
    MnO4−MnO_4^ -MnO4−​
  4. D
    Cl−Cl^-Cl−
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