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The reduction potential velues are given...

The reduction potential velues are given below
`Al^(3+)//Al=-1.67"volt", Mg^(2+)//Mg=-2.34"molt", Cu^(2+)//Cu=+0.34"volt"`
`I_(2)//I^(-)=+0.53"volt"`. Which one is the best reducing agent?

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The correct Answer is:
`Mg`
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The reduction potential values are given below AI^(3_)//AI =- 1.67 "volt" Mg^(2+)//Mg =- 2.34 "volt" Cu^(2+)//Cu = +0.34 volt I_(2)//2I^(-) = +0.53 volt. Which one is the best reducing agenet?

A solution containing one mole per litre of each Cu(NO_(3))_(2), AgNO_(3), Hg_(2)(NO_(3))_(2) is being electrolysed by using inert electrodes. The values of standard electrode potentials in volts (reduction potentials) are Ag^(+)//Ag = +0.80 V, HG_(2)^(2+)//Hg = +0.79 V Cu^(+)//Cu = +0.34 V, Mg^(2+)//Mg = -2.37 V With increasing valtage, the sequence of deposition of metals on the cathode will be

Given that E_(cu^(+2)//cu)^(@)=+0.34 V E_(Mg^(+2)//Mg)^(@)=-2.37V which of the following correct

E^(@) (SRP) of different half cell given {:(E_(Cu^(2+)//Cu)^(@) =0.34"volt",,,E_(Zn^(2+)//Zn)^(@) =- 0.76"volt"),(E_(Ag^(+)//Ag)^(@) = 0.8"volt",,,E_(Mg^(2+)//Mg)^(@) =- 2.37 "volt"):} In which cell Delta^(@) is most negative:-

Answer, whether under standard conditions, the following reactions are possible or not: (i) Will copper reduce Ag^(+) " to " Ag ? Given E_(Ag^(+)//Ag)^(@) = 0.799 " volt" , E_(Cu^(2+)//Cu)^(@) = - 0.337 volt (ii) Will Fe^(3+) be reduced to Fe^(2+) by Sn^(2+) ions? given {:(Fe^(3+) | Fe^(2+) = 0.771 " volt"),(Sn^(2+) |Sn^(4+) = - 0.250 " volt"):} (iii) would you use a silver spon to stir a solution of Cu(NO_(3))_(2) ?

RESONANCE-ELECTROCHEMISRY-Exercise
  1. In the galvanic cell Cu|Cu^(2+)||Ag^(+)|Ag, the electrons flow from Cu...

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  2. The reduction potential velues are given below Al^(3+)//Al=-1.67"vol...

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  3. The standard reduction potential value of the three metallic cations X...

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  4. (i). Which of the following oxides is reduced by hydrogen? MgO,CuO a...

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  5. Determine range of E^(@) values for this reaction X(aq)^(2+)+2e^(-)toX...

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  6. If E(fe^(2+)//Fe)^(@) is x(1),E(Fe^(3+)//Fe)^(@), is x(2) then what wi...

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  7. The standard reduction potential of TiO^(2+) and Ti^(3+) are given by ...

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  8. consider the standard reduction potentials (in volts) as shown in figu...

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  9. The standard oxidation potentials for Mn^(3+) ion acid solution are Mn...

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  10. Using the triangleG^(0) for the reaction C+O(2)toCO(2)triangleG^(0)=...

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  11. Make complete cell diagrams of the following cell reactions (a). Cd^...

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  12. Write cell reaction of the following cells: (a). Pt|Fe^(2+),Fe^(3+)|...

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  13. Calculat ethe oxidation potential of a hydrogen electrode at pH=1(T=29...

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  14. The standard oxidation potential for the half-cell NO(2)^(-)(g)+H(2)...

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  15. Calculate the electrode potential at 25^(@)C of Cr^(3+),Cr(2)O(7)^(2-)...

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  16. The standard reduction potential for Cu^(2+)//Cu is +0.34V. Calculate ...

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  17. The EMF of the cell M|M^(n+) (0.02 M) | H^(+) (1 M) | H(2)(g) (1 atm),...

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  18. Consider the following electrochemical cell. (a). Write a balanced n...

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  19. An electrochemical cell is constructed with an open switch as shown be...

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  20. Equinormal solutions of two weak acids HA(pK(a)=3) and HB(pK(a)=5) are...

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