Peroxodisulphate salts, `(e.g., Na_(2)S_(2)O_(8))` are strong oxidizing agents used be bleaching agents for fats, oils, ets.
Given `:`
`O_(2)(g)+4H^(o+)(aq)+4e^(-)rarr 2H_(2)O(l)" "E^(c-)=1.23V`
`S_(2)O_(8)^(2-)(aq)+2e^(-)rarr 2SO_(4)^(2-)(aq)" "E^(C-)=2.01V`
Which of the following statement is `(` are `)` correct ?

Given : Oxidation H_(2)O_(2) rarr O_(2)+2H^(o+)+2e^(-)" "E^(-)=-0.69V, 2F^(-)rarr F_(2)+2e^(-)" "E^(-)=-287V, Reduction : H_(2)O_(2)+2H^(o+)+2e^(-) rarr 2H_(2)O" "E^(-)=1.77V, 2I^(c-)rarr I_(2)+2e^(-)" "E^(c-)=-0.54V, Which of the following statements is // are correct ?

Given : Oxidation H_(2)O_(2) rarr O_(2)+2H^(o+)+2e^(-)" "E^(c-)=-0.69V, 2F^(c-)rarr F_(2)+2e^(-)" "E^(c-)=-287V, Reduction : H_(2)O_(2)+2H^(o+)+2e^(-) rarr 2H_(2)O" "E^(c-)=1.77V, 2I^(c-)rarr I_(2)+2e^(-)" "E^(c-)=-0.54V, Which of the following statements is // are correct ?

Given : Oxidation H_(2)O_(2) rarr O_(2)+2H^(o+)+2e^(-)" "E^(c-)=-0.69V, 2F^(c-)rarr F_(2)+2e^(-)" "E^(c-)=-287V, Reduction : H_(2)O_(2)+2H^(o+)+2e^(-) rarr 2H_(2)O" "E^(c-)=1.77V, 2I^(c-)rarr I_(2)+2e^(-)" "E^(c-)=-0.54V, Which of the following statements is // are correct ?

Two half-reactions of an electrochemical cell are given below : MnO_(4)^(-)(aq)+8H^(+)(aq)+5e^(-) toMn^(2+)(aq)+4H_(2)O(l), E^(@)=+1.51" V" Sn^(2+)(aq) to Sn^(4+)(aq)+2e^(-),E^(@)=-0.15" V"

Standard electrode potential data are useful for understanding the suitability of an oxidant in a redox titration. Some half cell reaction and their standard potentials are given below: MnO_(4)^(-)(aq) +8H^(+)(aq) +5e^(-) rarr Mn^(2+)(aq) +4H_(2)O(l) E^(@) = 1.51V Cr_(2)O_(7)^(2-)(aq) +14H^(+) (aq) +6e^(-) rarr 2Cr^(3+)(aq) +7H_(2)O(l), E^(@) = 1.38V Fe^(3+) (aq) +e^(-) rarr Fe^(2+) (aq), E^(@) = 0.77V CI_(2)(g) +2e^(-) rarr 2CI^(-)(aq), E^(@) = 1.40V Identify the only correct statement regarding quantitative estimation of aqueous Fe(NO_(3))_(2)

Standard electrode potential data are useful for understanding the suitability of an oxidant in a redox titration. Some half cell reaction and their standard potentials are given below: MnO_(4)^(-)(aq) +8H^(+)(aq) +5e^(-) rarr Mn^(2+)(aq) +4H_(2)O(l) E^(@) = 1.51V Cr_(2)O_(7)^(2-)(aq) +14H^(+) (aq) +6e^(-) rarr 2Cr^(3+)(aq) +7H_(2)O(l), E^(@) = 1.38V Fe^(3+) (aq) +e^(-) rarr Fe^(2+) (aq), E^(@) = 0.77V CI_(2)(g) +2e^(-) rarr 2CI^(-)(aq), E^(@) = 1.40V Identify the only incorrect statement regarding quantitative estimation of aqueous Fe(NO_(3))_(2)

If the half cell reactions are given as (i) Fe^(2+)(aq)+2e^(-)rarrFe(s),E^(@)=0.44V (ii) 2H^(+)(aq)+ 1//2O_(2)(g)+2e^(-)rarrH_(2)O(l),E^(@)=+1.23V The E^(@) for the reaction.

The reaction, 2H_(2)O_((l)) to 4H_((aq))^(+)+O_(2(g))+4e^(-) is

Use the standard reduction potentials to determine what is observed at the cathode during the electrolysis of a 1.0 M solution of KBr that contains phenolphthalein. O_(2)(g) + 4H^(+)(aq) + 4e^(-) rightarrow 2H_(2)O(l) E^(@) = 1.23V Br_(2)(l) + 2e^(-) rightarrow 2Br^(-)(aq) E^(@) = 1.07V 2H_(2)O(l) + 2e^(-) rightarrow H_(2)(g) + 2OH^(-) E^(@0 = -0.80V K^(+) (aq) + e^(-) rightarrow K(s) E^(@) = -2.92V