Home
Class 12
CHEMISTRY
Given E(Cr^(3+)//Cr)^(@)=-0.72V and E(Fe...

Given `E_(Cr^(3+)//Cr)^(@)=-0.72V` and `E_(Fe^(2+)//Fe)^(@)=-0.42V`
The potential for the cell `Cr|Cr^(3+)(0.1M)||Fe^(2+)( 0. 01M)Fe` is

A

0.339 V

B

`-0.339 V`

C

`-0.26 V`

D

0.26 V

Text Solution

Verified by Experts

The correct Answer is:
D
Promotional Banner

Similar Questions

Explore conceptually related problems

If [Zn^(2+)] = 0.1 M and E^(@) = -0.76 V then half cell potential at 298 K for the reaction Zn_((aq))^(2+)+2e^(-) rarr Zn_((s)) is

The E_(Ag)^@ = 0.80 V and E_(ceII)^@ = 1.20 V, for the cell. 2Ag^+ + Cd rarr 2 Ag + Cd^(2+) .The E_Cd^@ is

The cell reaction of a cell is Mg+Cu^(2+) to Mg^(2+)+Cu (Given E_(Mg^(2+)//Mg) = -2.37 V , E_(Cu^(2+)//Cu) = 0.337 V ) The e.m.f of the cell will be _________.

Which statement is NOT true for the given reaction Fe^(3+)+e^(-) to Fe^(2+) ?

Calculate the potential of the following cell at 25^@C . Zn|Zn^(2+)(0.6M)||H^+(1.2M)|H_2(g, 1 atm)|Pt E_(Zn)^@=-0.763V .

Write the cell reaction and calculate the emf of the cell,at 25^@C, Cr(s)|Cr^3+(0.0065 M)|| Co^(2+)(0.012M)|Co(s), E_(Co)^0 =0.280 V, E_(Cr)^0 = 0.74V . What is DeltaG for the cell reaction ? std potential=0.4463v

Use the data given below E_(Cr_2O_7^(2-)//Cr^(3+))^@=1.33V ,E_(CI_2//CI^-)^@=1.36V, E_(MnO_4^-//Mn^(2+))^@=1.51V, E_(Cr^(3+)//Cr)^@ =-0.74V :- Find out which of the following is the strongest oxidizing agent.

The following reaction occurs in a galvanic cell 2Cu^+ rarr Cu^(2+) + Cu If E_(cu^+ Cu^(2+)) ^@ = +0.16 V and E_(Cu^+Cu)^@ = 0.52 V , the standard cell potential will be