Home
Class 12
CHEMISTRY
E^(@) values of some redox couples are ...

`E^(@)` values of some redox couples are given below On the basis of these values choose the correct option. `E^(@)"values":Br_(2)|Br^(-)=+1.90,Ag^(+)|Ag(s)=+0.80Cu^(2+)|Cu(s)=+0.34,I_(2)(s)|I^(-)=0.54`

A

Cu will reduce `Br^(-)`

B

Cu will reduce Ag

C

Cu will reduce `I^(-)`

D

Cu will reduce `Br_(2)`

Text Solution

Verified by Experts

The correct Answer is:
D
Promotional Banner

Topper's Solved these Questions

  • REDOX REACTIONS

    MODERN PUBLICATION|Exercise Multiple Choice Questions (Level - II )|35 Videos

  • REDOX REACTIONS

    MODERN PUBLICATION|Exercise Multiple Choice Questions (Level - III )|2 Videos

  • PURIFICATION AND CHARACTERISATION OF ORGANIC COMPOUNDS

    MODERN PUBLICATION|Exercise Recent Examination Question|4 Videos

  • SOLUTIONS

    MODERN PUBLICATION|Exercise Recent Examination Questions|13 Videos

Similar Questions

Explore conceptually related problems

On the basis of standard electrode potential of redox couples given below find out which of the following is the strongest oxidising agent. E^(@)"values",Fe^(3+)|Fe^(2+)=+0.77,I_(2)(s)|I^(-)=+0.54,Cu^(2+)|Cu=+0.34,Ag^(+)|Ag=+0.80V

Using the standard electrode potential , find out the pair between which redox reaction is not feasible . E^(v)"values":Fe^(3+)|Fe^(2+)=+0.77,I_(2)|I^(-)=+0.54,Cu^(2+)|Cu=+0.34,Ag^(+)|Ag=+0.80V

The e.m.f. of the cell at 25^(@)C Cu"|"Cu^(2+)(0.01M)"||"Ag^(+)(0.1M)"|"Ag is [E^(@)(Cu^(2+)"|"Cu)=0.34V, E^(@)(Ag^(+)"|"Ag)=0.80V]

An alloy of Pb-Ag weighing 1.08 g was dissolved in dilute HNO_(3) and the volume made to 100 mL. A silver electrode was dipped in the solution and the e.m.f. of the cell set up Pt(s), H_(2)(g)"|"H^(+)(1M)"||"Ag^(+)(aq)"|"Ag(s) was 0.62 V. If E_("cell")^(@)=0.80V , what is the percentage of Ag in the alloy ? (At 25^(@)C, 2.303RT//F=0.06 )

Construct a cell using given electrodes at 298K and also calculate its standart EMF . Given : E^(c-)._(Zn|Zn^(2+))=0.76V E^(c-)._(Cu^(2+)|Cu)=0.34V

1 M solution each of Cu(NO_(3))_(2) , AgNO_(3), Hg_(2)(NO_(3))_(2)andMg(NO_(3))_(2) is electrolysed using Pt- electrodes . The values of standard electrode potentials in volts are : Ag^(+)//Ag=+0.80V,Cu^(2+)//Cu=+0.34V Hg_(2)^(2+)//Hg=+0.79V,Mg^(2+)//Mg=-2.37V The sequence of deposition of metals on the cathode will be

Find the value of AG^(@) at 25^(@)C for the following electrochemical cell. Cu|Cu^(2+)(1M)||Ag^(+)(1M)|Ag [Ec_(u)=+0.34V, E_(Ag)^(@)=+0.8V] F=96487C