Home
Class 12
CHEMISTRY
How many grams of silver could be plated...

How many grams of silver could be plated out on a shield by electrolysis of a solution containing Ag ions for a period of 4 hours at a current strength of `8.5` amperes? [I `F= 96,500 C` `mol^-1`, molar mass of `Ag=107.8 g]`

Text Solution

Verified by Experts

A g^+(a q)+e^- A g(s) m=Z xx I xx t=107.8/96,500 xx 8.5 a m p xx 4 xx 60 xx 60 m=131947,2/965=136.73 g endarray
Promotional Banner

Topper's Solved these Questions

  • COORDINATION COMPOUNDS

    V PUBLICATION|Exercise QUESTION BANK|113 Videos

  • GENERAL PRINCIPLES AND PROCESSES OF ISOLATION OF ELEMENTS

    V PUBLICATION|Exercise QUESTION BANK|139 Videos

Similar Questions

Explore conceptually related problems

How many seconds will be required to produce 1.0 g of silver (atomic weight = 108) metal by the electrolysis of a AgNO_(3) solution using a current of 30 amps? (F = 96500 coul. "Mol"^(-1) )

How much time would it take in minutes to deposit 1.18 g of metallic copper on a metal object when a current of 2.0 A is passed through the electrolytic cell containing Cu ^2 +ions? [ Molar mass of Cu =63.5 g /mol;IF=96,500 Cmol^-1]

A solution containing 2.675g of CoCl_3. 6NH_3 (molar mass= 267.5 g mol^(-1) ) is passed through a cation exchanger. The chloride ions obtained in solution were treated with excess of AgNO_3 to give 4.78 g of AgCI (molar mass =143.5 g mol^(-1) ). The formula of the complex is (atomic mass of Ag=108a).

Chromium metal can be plated out from an acidic solution containing CrO_3 , according to the following equation CrO_3(aq)+6 H^+(aq)+6 e^- → Cr(s)+3 H_2 O, Cal culate (i) how many grams of chromium will be plated out by 24000 C and (ii) how long will it take to plate out 1.5 g of chromium by using 12.5 A current? (atomic mass of Cr=52 )

A current of 4 A is passed through a solution of silver nitrate to coat a metal surface of 80 cm^(2) with 0.005 mm thick layers of silver. If the density of silver (molar mass: 108 g "mol"^(-1) )is 10.8 g cm^(-3) , the time for which the current is passed is about

Consider the electrochemical cell between Ag(s) and Cl_(2)(g) electrodes in 1L of 0.1 M KCl aq. Solution. Solubility product of AgCl(s) is 1.8xx10^(-10) and F=96500C. mol^(-1) At 1muA current. Calculate the time required to start observing AgCl precipitation in the Galvanic cell

V PUBLICATION-ELECTROCHEMISTRY-QUESTION BANK
  1. The standard electrode potential of Au^3+(aq)+3 e- → Au(s) is 1.42 V...

    Text Solution

    |

  2. Calculate the quantity of electricity that will be required to liberat...

    Text Solution

    |

  3. How many grams of silver could be plated out on a shield by electrolys...

    Text Solution

    |

  4. How much time would it take in minutes to deposit 1.18 g of metallic c...

    Text Solution

    |

  5. Calćulate the pH of the following half cell Pt, H2 / H2 SO4 The ...

    Text Solution

    |

  6. The standard reduction potential of Cu^(2+)|Cu and Ag^+|Ag electrodes ...

    Text Solution

    |

  7. Chromium metal can be plated out from an acidic solution containing Cr...

    Text Solution

    |

  8. A cell Cu / Cu^2+ / / Ag^+ / Ag initially contains 1 M Ag^+ and 1 M Cu...

    Text Solution

    |

  9. Iodine (I2) and Bromine (Br2) are added to a solution containing iodin...

    Text Solution

    |

  10. In a fuel cell, hydrogen and oxygen react to produce electricity. In t...

    Text Solution

    |

  11. EMF of Daniel cell was found using different concentrations of Zn^2+ i...

    Text Solution

    |

  12. The molar conductivity of acetic acid solution at infinite dilution is...

    Text Solution

    |

  13. Copper sulphate solution (250 mL) was electrolysed using a platinum an...

    Text Solution

    |

  14. 4 ampere current was passed through an aqueous solution of an unknown ...

    Text Solution

    |

  15. Calculate the single electrode potential at 298 K of the Cu ^2 + /...

    Text Solution

    |

  16. The Standard electrode potentials of some electrodes are given below: ...

    Text Solution

    |

  17. The standarid potentiat of a cell. is measured as 1.1V: The,reaction o...

    Text Solution

    |

  18. The resistivity of a 0.8 M, solution of electrolyte is. 5 xx 10^-3, oh...

    Text Solution

    |

  19. The conductivity of 0: 20^prime M solution of K C l at 298 ~K is 0.024...

    Text Solution

    |

  20. Conductivity of 0.02 M, KCl solution is 0.002765 S cm^-1 . If th...

    Text Solution

    |