Home
Class 11
CHEMISTRY
A cell diagram shown below contains of o...

A cell diagram shown below contains of one litre of buffer solution of `HA(PK_a=4)` and NaA in both compartments. What is the cell e.m.f?

A

0.03V

B

0.06V

C

-0.06V

D

None of these

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Topper's Solved these Questions

  • ELECTROCHEMISTRY

    NARENDRA AWASTHI ENGLISH|Exercise LEVEL-3|37 Videos
  • ELECTROCHEMISTRY

    NARENDRA AWASTHI ENGLISH|Exercise Match the column|6 Videos
  • ELECTROCHEMISTRY

    NARENDRA AWASTHI ENGLISH|Exercise Subjective problems|14 Videos
  • DILUTE SOLUTION

    NARENDRA AWASTHI ENGLISH|Exercise leval-03|23 Videos
  • GASEOUS STATE

    NARENDRA AWASTHI ENGLISH|Exercise Subjective problems|15 Videos

Similar Questions

Explore conceptually related problems

E_(Cu^(+2)//Cu)^(@)=0.34V, E_(Zn//Zn^(+2))^(@)=0.76V A cell formed by the conbination of Cu and Zn (a) when CuSO_(4) is added to Cu^(+2) compartment what is the effect on emf of cell (b) when NH_(3) is added to Cu^(+2) compartment what is the effect on emf of cell (c ) When ZnSO_(4) is added to Zn^(+2) compartment is the effect on emf of cell (d) When Zn^(+2) is diluted what is the effect on emf of cell ?

Given below are diagrams of plant cells as seen under the microscope after being placed in two different solutions : What is the technical term for the condition of : (1) Cell A (2) Cell B?

A capacitor of capacitance 10 m F is charged up a potential difference of 2V and then the cell is removed. Now it is connected to a cell of emf 4V and is charged fully. In both cases the polarities of the two cells are in the same directions. Total heat produced in the second charging process is :

In the situation shown , the potential difference across the cell of smaller e.m.f is .

Given below is a diagram of the cell as seen under the microscope after having been placed in a solution. What is the technical term used for the state/condition of the cell shown above?

The EMF of concentration cell consisting of two zinc electrodes, one dipping into M//4 solution of ZnSO_(4) and the other into M//16 solution of the same salt at 25^(@)C is

The diagram given below represents a plant cell after being placed in a strong sugar solution . Study the diagram and answer the questions that follow: What is the state of the cell shown in the diagram?

Study the diagram given alongside showing a plant cell kept in a strong sugar solution. Name the process the cell has undergone. What is the reason of the process named?

The cell consists of three compartments separated by porous barriers. The first contains a cobalt electrode in 5.00 L of 0.100 M cobalt (II) nitrate, the second contains 5.00 L of 0.100M AgNO_(3) . Assuming that the current within the cell is carried equally by the positive and negative ions, tabulate the concentrations of ions of each type in each compartment of the cell after the passage of 0.100 mole electrons. given Co^(2+)+2e^(-)toCo" "E^(0)=-0.28V Ag^(+)+e^(-)toAg" "E^(0)=0.80V Spontaneous reaction is: 2Ag^(+)+Co^(2+)+2Ag" "1.08V

In a concentration cell the same reagents are present in both the anode and the cathode compartments , but at different concentrations. Calculate the emf of a cell of a cell containing 0.040 M. Cr^(3+) in one compartment and 1.0 M Cr^(3+) in the other if Cr electrodes are used in both.

NARENDRA AWASTHI ENGLISH-ELECTROCHEMISTRY-LEVEL-2
  1. For a cell reaction 2H2(g)+O2(g)to2H2O(l)/\rS(198)^(@)=-0.32KJ//k . Wh...

    Text Solution

    |

  2. What is the potential of an electrode which originally contained 0.1 M...

    Text Solution

    |

  3. The standard reduction potential of normal calomel electrode and reduc...

    Text Solution

    |

  4. Determine the potential of the following cell: Pt|H2(g,0.1 "bar")|H^...

    Text Solution

    |

  5. Copper reduced NO(3)^(-) into NO and NO(2) depending upon conc.of HNO(...

    Text Solution

    |

  6. For the cell, Pt|Cl2(g,0.4"bar")|Cl^(-)(aq,0.1M)"||"Cl^(-)(aq),0.01M)|...

    Text Solution

    |

  7. The chlorate ion can disproportinate in basic solution according to re...

    Text Solution

    |

  8. A cell diagram shown below contains of one litre of buffer solution of...

    Text Solution

    |

  9. Given the cell: Cd(s)|Cd(OH)2(s)|NaOH(aq,0.01M)|H2(g,1"bar")|Pt(s) w...

    Text Solution

    |

  10. calculate the e.m.f (in V) of the cell: Pt|H2(g)|BOH(Aq)"||"HA(Aq)|H...

    Text Solution

    |

  11. Calculate the potential of a half cell having reaction :Ag2S(s)+2e^(-)...

    Text Solution

    |

  12. The conductivity of 0.1 N NaOH solution is 0.022 Scm^(-1).When equal v...

    Text Solution

    |

  13. In above question after formation of NaCl, further 0.1 N HCl is added,...

    Text Solution

    |

  14. Given the following molar conductivity at 25^(@) C:, HCl,426Omega^(-1)...

    Text Solution

    |

  15. Equivalent conductivity of BaCl2,H2SO4 and HCl, are x1,x2"and"x3Scm^(-...

    Text Solution

    |

  16. The conductivity of 0.001M Na2SO4 solution is 2.6xx10^(-4)Scm^(-1) and...

    Text Solution

    |

  17. The dissociation constant of a weak acid is 1.6xx10^(-5) and the molar...

    Text Solution

    |

  18. Three electrolytic cells X,Y,Z containing solution of NaCl, AgNO3 and ...

    Text Solution

    |

  19. During electrolysis of H2SO4(aq) with high charge density, H2S2O8 form...

    Text Solution

    |

  20. Zn(s)|Zn(CN)4^(2-)(0.5M),CN^(-)(0.01)"||"Cu(NH3)4^(2+)(0.5M),NH3(1M)|C...

    Text Solution

    |