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Calculate E(cell) of Pt(s)|{:(cl(2)(g)),...

Calculate `E_(cell)` of `Pt(s)|{:(cl_(2)(g)),(0.1atm):}|{:(Cl^(-)(aq)),(10^(-2)M):}||{:(Cr_(2)O_(7)^(2-),Cr^(+3)("in" H_(2)SO_(4))=0.05M),(0.01M,0.1M):}|`
given that `E_(Cr_(2)O_(7)^(2-)//Cr^(+3))^(0)=1.33V`
`E^(0)Cl^(-)|Cl_(2)=-1.36V`

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AI Generated Solution

To calculate the cell potential \( E_{cell} \) for the given electrochemical cell, we will follow these steps: ### Step 1: Identify the half-reactions The half-reactions for the cell are: 1. **Anode (Oxidation)**: \[ \text{Cr}_2\text{O}_7^{2-} + 14 \text{H}^+ + 6 \text{e}^- \rightarrow 2 \text{Cr}^{3+} + 7 \text{H}_2\text{O} \] ...
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Calculate E_(cell) for Cr|Cr^(3+)(0.04M)||Cr^(3+)(1M)|Cr :

Cr_(2)O_(7)^(2-)+H^(+)+SO_(3)^(2-) to Cr^(3+)(aq.)+SO_(4)^(2-)

Cr_(2)O_(7)^(2-)+H^(+)+SO_(3)^(2-) to Cr^(3+)(aq.)+SO_(4)^(2-)

Calculate the potential of the following cell : Pt(s)|{:(Ce^(3+),(2M)) ,(Ce^(4+),(1M)):}||{:(Cr^(3+)(2M),) ,(Cr_(2)O_(7)^(2-)(1M),H^(o+)(1M)):}|Pt(s) Given :E^(c-)._(Ce^(3+)|Ce^(4+))=-1.7,E^(c-)._(Cr_(2)O_(7)^(2-)|Cr^(3+))=1.3V ( Take 0.059~~0.06)

For the cell, Pt|Cl_2(g,0.4"bar")|Cl^(-)(aq,0.1M)"||"Cl^(-)(aq),0.01M)|Cl_2(g,0.2"bar")|pt

Calculate the potential corresponding to the following cell. Given Pt|Co^(2+)(2.0M),Co^(3+)(0.01M)||Cr^(3+)(0.5M),Cr_(2)O_(7)^(2-)(4.0M),H^(o+)(1.5M))|Pt E^(-)._(Co^(2+)|Co^(3+))=-1.82V E^(-)._(Cr_(2)O_(7)^(2-)|Cr^(3+))=+1.33V

Calculate the potential of the following cell : Pt|underset((2.0M)(1.0M))(Co^(2+),Co^(3+))|underset((1.0M)(4.0M)(1.0M))(Cr^(3+),Cr_(2)O_(7)^(2_-),H^(o+))|Pt E^(c-)._(Co^(2+)|Co^(3+))=-2V,E^(c-)._(Cr_(2)O_(7)^(2-)|Cr^(3+))=+1.0V

Which is stronger oxidizing agent (i). K_(2)Cr_(2)O_(7) in solution in which [Cr_(2)O_(7)^(2-)]=0.1M,[Cr^(3+)]=10^(-2)M and [H^(+)]=10^(-1)M (ii). KMnO_(4) in a solution in which [MnO_(4)^(-)]=10^(-1)M,[Mn^(2+)]=10^(-2)M,[H^(+)]=10^(-2)M E_(Cr_(2)O_(7)^(2-)//Cr^(+3))^(0)=1.33V,E_(MnO_(4)^(-)//Mn^(+2))^(0)=1.51V

Calculate the e.f.m of the cell Cr|Cr^(3+)(0.1M)||Fe^(2+)(0.01M)|Fe [given that E_(Cr^(3+)//Cr)^(@)=-0.75,E_(Fe^(2+)//Fe)^(@)=-0.45V]

For the cell, Pt|Cl_2(g,0.4"bar")|Cl^(-)(aq,0.1M)"||"Cl^(-)(aq),0.01M)|Cl_2(g,0.2"bar")|pt Emf is? (a)0.051V (b)-0.051V (c)0.102V (d)0.0255V

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