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The E^(0)(M^(2+)//M) value for copper is...

The `E^(0)(M^(2+)//M)` value for copper is positive `(+0.34V)`. What is possibly the reason for this?

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The E(Theta)(M^(2+)//M) Value for copper is positive (+0.34V) . What is possibly the statement-2 for this?

If the standard electrode poten tial of Cu^(2+)//Cu electrode is 0.34V. What is the electrode potential of 0.01 M concentration of Cu^(2+) ?

The E^(@) value of Zn is -0.76 V while that of Cu is +0.34 V. Do these values help in locating the relative positions of the electrodes in the electrochemical series ?

{:(E_(M^(2+)//M)^(@),Cr,Mn, Fe, Co, Ni, Cu),(,-0.91,-1.18,-0.44,-0.28,-0.25,+0.34):} From the given data of E^(@) values, answer the following questions : (i) Why is E_((Cu^(2+)//Cu))^(@) value exceptionally positive ? (ii) Why is E_((M^(2+)//M))^(@) vlue highly negative as compared to other elements ? (iii) Which is a stronger reducing agent , Cr^(2+) or Fe^(2+) ? Give reason.

Ag^(+)(aq)+e^(-)rarrAg(s) E^(@)=0.80V Cu^(2+)(aq)+2e^(-)rarrCu(s) E^(@)=0.34V Which expression gives the voltage for this cell if [Cu^(2+)]=1.00M and [Ag^(+)]=0.010M ?

An electrochemical cell constructed for the reaction : Cu^(2+)(aq) + M(s) rightarrow Cu(s) + M^(2+) (aq) has an E^(@) = 0.75V . The standard reduction potential for Cu^(2+)(aq) is 0.34V. What is the standard reduction potential for M^(2+) (aq)?

PRADEEP-D- AND F-BLOCK ELEMENTS-IMPORTANT QUESTIONS
  1. Name a trasition element wihich does not exhibit variable oxidation st...

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  2. Why is Cr^(2+) reducing and Mn^(3+) oxidising when both have d^(4) con...

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  3. The E^(0)(M^(2+)//M) value for copper is positive (+0.34V). What is po...

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  4. Explain giving reason: (a) Transition metals and many of their compo...

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  5. Why is +2 oxidation state of manganese quite stable while the same is ...

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  6. Which is a stronger reducing agent Cr^(2+) or Fe^(2+) and why ?

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  7. Predict which of the following will be coloured in aqueous solution ?...

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  8. How will you account for the following : (i) Cobalt (II) is stable i...

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  9. Which of the two is paramagnetic : V (IV) or V (V) and why ?

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  10. Copper (I) compounds are white and diamagnetic while copper(II) compou...

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  11. Which divalent metal ion has maximum paramagnetic character among the ...

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  12. Transition elements have greater tendency to form complexes because

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  14. What is meant by 'disproportionation'? Give two examples of disproport...

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  15. Describe the preparation of potassium permanganate. How does the acidi...

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  17. Describe the oxidising action of potassium dichromate and write the io...

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  18. When a white crystalline compound X is heated with K(2)Cr(2)O(7) and c...

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  19. The +3 oxidation states of langthanum ( Z= 57), gadolinium (Z= 64) and...

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  20. Why Sm^(2+), Eu^(2+) and Yb^(2+) ions in solutions are good reducing a...

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