Home
Class 12
CHEMISTRY
Zn amalgam is prepared by elctrtolysis o...

Zn amalgam is prepared by elctrtolysis of aqueous `ZnCI_(2)` using 9 gram Hg cathode how much current is to be pased through `ZnCI_(2)` solution for 1000 seconds to prepare a Zn amalagam with 25% by weight ? (atomic masss Zn =65.4 g)

A

5.6 A

B

7.2 A

C

8.85 A

D

11.2 A

Text Solution

Verified by Experts

Promotional Banner

Topper's Solved these Questions

  • ELECTROCHEMISTRY

    AAKASH INSTITUTE|Exercise Assignment (SECTION C) Objective Type Questions (More than one option are correct)|15 Videos

  • ELECTROCHEMISTRY

    AAKASH INSTITUTE|Exercise Assignment (SECTION D) Linked Comprehension Type Questions|4 Videos

  • ELECTROCHEMISTRY

    AAKASH INSTITUTE|Exercise Assignment (SECTION A) Objective Type Questions (One option is correct)|43 Videos

  • COORDINATION COMPOUNDS

    AAKASH INSTITUTE|Exercise Assignment (Section-J Aakash Challenger Questions )|10 Videos

  • ENVIRONMENTAL CHEMISTRY

    AAKASH INSTITUTE|Exercise ASSIGNMENT (SECTION-D) (Assertion - Reason Type Questions)|5 Videos

Similar Questions

Explore conceptually related problems

Cadmium amalgam is prepared by electrolysis of a sodium of CdCl_2 using a mercury cathode. How long should a current of 4 A be passed in order to prepare 10% by mass Cd in Cd-Hg amalgam on cathode of 4.5 g Hg? (atomic mass of Cd=112)

Cd amalgam is preapred by electrolysis of a solution CdCI_(2) using a mercury cathode. How long should a current of 5A be passed in order to prepare 12% Cd-Hg amalgam on a cathode of 2g, Hg ( atomic weight of Cd = 112.4)

Cadmium amalgam is prepared by electrolysis of a solution of CdCl_(2) using a mercury cathode. Find how long a current of 5 ampere should be passed in order to prepare 12% Cd-Hg amalgam on a cathode of 2 g mercury. At mass of Cd=112.40.

Cd amalgam is prepared by electrolysis of a solution of CdCl_(2) using a mercury cathode. Find how long (in min) should a current of 5 ampere is passed in order to prepared 12% Cd-Hg amalagam on a cathode of 2.56 g mercury ? At.wt. of Cd =112.40.

Na-Amalgam is prepared by electrolysis of aq. NaCI solution using 10gm Hg cathode. How many Faraday's of electricity is required to prepare 18.7% Na-Amalgam (current Eff = 50%)

Na- amalgam is prepared by electrolysis of NaCl solution using liquid Hg as cathode . How long should the current of 10 amp . Is passed to produce 10% Na-Hg on a cathode of 10gm Hg . ( atomic mass of Na=23) .

AAKASH INSTITUTE-ELECTROCHEMISTRY -Assignment (SECTION B) Objective Type Questions (One option is correct)
  1. The equilibrium constant for the reaction Sr(s)+Mg^(+2)(aq)rarr Sr^(+2...

    Text Solution

    |

  2. 0.5 faraday of electricity was required to deposit all the copper in 5...

    Text Solution

    |

  3. Cu^(+) ion is not stable in aqueous solution because because of dispro...

    Text Solution

    |

  4. 25 gm of a metal is deposited on cathode during the electrolysis of me...

    Text Solution

    |

  5. A well stirred solution of 0.1 M CuSO(4) is electrolysed at 25^(@)C us...

    Text Solution

    |

  6. 50 ML of a buffer of 1 M NH(3) and 1 M NH(4)^(+) are placed in two vol...

    Text Solution

    |

  7. The specific conductance of saturated solution os silver chloride is k...

    Text Solution

    |

  8. The limiting equivalent conductivity of NaCl, KCl and KBr are 126.5,1...

    Text Solution

    |

  9. The equivalent conductances of CH(3)COONa, HCI "and" NaCI at infinit e...

    Text Solution

    |

  10. E^(@)(Na^(+)//Na)=-2.71V E^(@)(Mg^(+2)//Mg)=-2.37V E^(@)(Fe^(+2)//Fe...

    Text Solution

    |

  11. Which of following type of plot would you expect from the titratin of ...

    Text Solution

    |

  12. The standard reduction potential of Cu^(2+)//Cu and Cu^(2+)//Cu^(+) ar...

    Text Solution

    |

  13. What is DeltaG^(@) for the following reaction Cu^(+2)(aq)+2Ag(s)rarr...

    Text Solution

    |

  14. For the half cell At pH = 3 electrode potential is

    Text Solution

    |

  15. Rate of corrosion I maximum when

    Text Solution

    |

  16. H(2)(1 "atm")|2.26 M HCOOH||0.222MCH(3)COOH|(1 "atm")H(2)K(a)(HCOOH)=...

    Text Solution

    |

  17. Given that NiO(2)+4H^(+)+2e^(-)rarrNi^(2+)+2H(2)O,E^(@)=1.678V NiO...

    Text Solution

    |

  18. Zn amalgam is prepared by elctrtolysis of aqueous ZnCI(2) using 9 gram...

    Text Solution

    |

  19. Emf of cell given Ag(s),Ag(s)|KCI(aq)Hg(2)CI(2)(s)|Hg(s) s 0.05 V ...

    Text Solution

    |

  20. Dissociation constant for Ag(NH(3))(2)^(+) into Ag^(+) and NH(3) is 6 ...

    Text Solution

    |