Home
Class 12
CHEMISTRY
A current of 1.70A is passed trhough 300...

A current of `1.70A` is passed trhough `300.0 mL` of `0.160M` solution of `ZnSO_(4)` for `230s` with a current efficiency of `90%`. Find out the molarity of `Zn^(2+)` after the deposition of `Zn`. Assume the volume of the solution to remain constant during the electrolysis.

Text Solution

Verified by Experts

The correct Answer is:
0.1532 M
Promotional Banner

Topper's Solved these Questions

  • CLASSROOM PROBLEMS

    MOTION|Exercise Surface Chemistry|16 Videos
  • Chemical Kinetics

    MOTION|Exercise Exercise - 4 (Level - II) (SUBJECTIVE PROBLEM)|1 Videos
  • CLASSROOM PROBLEMS 1

    MOTION|Exercise THERMODYNAMICS|17 Videos

Similar Questions

Explore conceptually related problems

A current of 1.70 A is passed through 300.0 mL of 0.160 M solution of a ZnSO_(4) for 230 s with a current efficiency of 90% . Find out the molarity of Zn^(2+) after the deposition Zn. Assume the volume of the solution to remain cosntant during the electrolysis.

A current of 1.70 ampere is passed through 300mL of 0.160M solution of ZnSO_(4) for 230 sec with a current efficiency of 90%. Find the molarity of Zn^(2+) after the deposition of Zn. Assume the volume of the solution deposition remains constant during elecyrolysis

A current of 1.93 ampere is passed through 200 mL of 0.5 M Zinc sulphate (aq. ) solution for 50 min with a current efficiency of 80% . If volume of solutuion remain constant, then [Zn^(2+)] after deposition of Zn^(2+) is :

A current of 0.965 ampere is passed through 500ml of 0.2M solution of ZnSO_(4) for 10 minutes.The molarity of Zn^(2+) after deposition of zinc is

A current of 1.40 ampere is passed through 500 mL of 0.180 M solution of zinc sulphate for 200 seconds. What will be the molarity of Zn^(2+) ions after deposition of zinc?

A current of 2 A was passed for 1 h through a solution of CuSO_4. 0.237g of Cu^(2+) ions was discharged at cathode . The current efficiency is .

MOTION-CLASSROOM PROBLEMS -Electrochemistry
  1. 50 mL of 0.1 M CuSO4 solution is electrolysed using Pt electrodes with...

    Text Solution

    |

  2. An electric current is passed through electrolytic cells in series one...

    Text Solution

    |

  3. A current of 1.70A is passed trhough 300.0 mL of 0.160M solution of Zn...

    Text Solution

    |

  4. An acidic solution of Cu^(2+) salt containing 0.4g of Cu^(2+) is elect...

    Text Solution

    |

  5. (a) If E^@ (Ag^(+)//Ag) = 0.8 V and E^@ (H^(+)//H2) = 0 V, in a cell a...

    Text Solution

    |

  6. For each of the following cells : (a) Write the equation for cell pr...

    Text Solution

    |

  7. Find the electrode potentials of the following electrodes. (a) Pt, ...

    Text Solution

    |

  8. For the cell : Zn//Zn^(2+) (x M) | | Ag^(+)/Ag (y M) (a) Write Nerns...

    Text Solution

    |

  9. If excess of Zn is added to 1.0M solution of CuSO4, find the concentra...

    Text Solution

    |

  10. A cell contains two hydrogen electrodes. The negative electrode is in ...

    Text Solution

    |

  11. Find the standard electrode potential of MnO(4)^(c-)|MnO(2). The stand...

    Text Solution

    |

  12. E.M.F. of following cell is 0.265 V at 25^@C and 0.2595 V at 35^@C. Ca...

    Text Solution

    |

  13. Calculate the EMF of the following cell at 25^@C, Pt, H2 (1 atm) / H^+...

    Text Solution

    |

  14. Calculate the electrode potential at 25^@C of Cr2O7^(2–)//Cr^(3+) elec...

    Text Solution

    |

  15. Find the K(sp) of AgCl from the following data. The standard electrode...

    Text Solution

    |

  16. The standard reduction potential of the Ag^(o+)|Ag electrode at 298K i...

    Text Solution

    |

  17. Two Daniel cells contain the same solution of ZnSO4 but differ in the ...

    Text Solution

    |

  18. During the discharge of a lead storage battery, the density of sulphur...

    Text Solution

    |

  19. A test for complete removal of Cu^(2+) ions from a solution of Cu^(2+)...

    Text Solution

    |

  20. A graph is plotted between E(cell) and log .([Zn^(2+)])/([Cu^(2+)]) . ...

    Text Solution

    |