Home
Class 12
CHEMISTRY
A metal surface of 100 cm^2 area has to ...

A metal surface of 100 `cm^2` area has to be coated with nickel layer of thickness `0.001 mm` .A current of `2A` was passed through a solution of `Ni(NO_3)_2` for 'x' seconds to coat the desired layer . The value of is ___. (Nearest integer) `(p_(ni)`(density of Nickel ) is `10 g mL^(-1)`,Molar mass of Nickel is `60 g mol^(-1), R= 96500 C mol^(-1))`

Text Solution

AI Generated Solution

Promotional Banner

Topper's Solved these Questions

  • JEE MAIN 2022

    JEE MAINS PREVIOUS YEAR|Exercise Question|561 Videos

  • JEE MAIN 2024

    JEE MAINS PREVIOUS YEAR|Exercise Questions|24 Videos

Similar Questions

Explore conceptually related problems

How long a current of 3A has to be passed through a solution of silver nitrate to coat a metal surface of 80cm^(2) with a 0.005-mm- thick layer ? The density of silver is 10.5g cm^(-3) .

How long a current of 2 A has to be passed through a solution of AgNO_(3) to coat a metal surface of 80cm^(2) with 5mum thick layer? Density of water =10.8g//cm^(3)

A current of 1.50 A was passed through an electrolytic cell containing AgNO_3 solution with inert electrodes. The weight of silver deposited was 1.50g . How long did the current flow ? (Molar mass of Ag=108 g " mol "^(-1), 1F=96500C " mol" ^(-1) ).

How long current of 3A has to be passed through a solution of silver nitrate to coat a metal surface of 80cm^(2) with a 0.005mm thick layer? Density of silver is 10.5 g//cm^(3) .

How long (in sec) a current of 2A has to be passed through a solution of AgNO_(3) to coat a metal surface of 80cm^(2) with 5mum thick layer? Density of silver = 10.8 g//cm^(3)

How long a current of 3A has to be passed through a solution of AgNO_(3) , to coat a metal surface of 80 cm^(2) with 5 mum thick layer? Density of sikver = 10.8 g//cm^(3)

JEE MAINS PREVIOUS YEAR-JEE MAIN 2023-Question
  1. For the given reaction The total number of possible products form...

    Text Solution

    |

  2. 25.0mL of 0.050 M Ba(NO3)2 is mixed with 25.0 mL of 0.020 MNaF. Ksp of...

    Text Solution

    |

  3. A metal surface of 100 cm^2 area has to be coated with nickel layer of...

    Text Solution

    |

  4. A2+B2 rarr 2AB. delta Hf^0= -200 kj mol^(-1) AB,A2 and B2 are diatom...

    Text Solution

    |

  5. The covalency and oxidation state respectively of boron in [BF4]^-, ar...

    Text Solution

    |

  6. Which of the following complexes will exhibit maximum attraction to an...

    Text Solution

    |

  7. Match List I with List II 1-Bromopropane is reacted with reagents in...

    Text Solution

    |

  8. Given below are two statements, one is labelled as Assertion A and the...

    Text Solution

    |

  9. In the wet tests for detection of various cations by precipitation , B...

    Text Solution

    |

  10. What happens when methane undergoes combustion in systems A and B resp...

    Text Solution

    |

  11. Compound A from the following reaction sequence is :

    Text Solution

    |

  12. Given below are two statements related to Ellingham diagram: Stateme...

    Text Solution

    |

  13. Given below are two statements : Statement I : Tropolone is an aroma...

    Text Solution

    |

  14. The naturally occurring amino acid that contains only one basic functi...

    Text Solution

    |

  15. Identify the correct order of standard enthalpy of formation of halide...

    Text Solution

    |

  16. Match List I with List II Choose the correct answer from the opti...

    Text Solution

    |

  17. The major product for the folllowing reaction is :

    Text Solution

    |

  18. The correct group of halide ions which can be oxidised by oxygen in ac...

    Text Solution

    |

  19. Which of the following are the Green house gases ? A. Water vapour ...

    Text Solution

    |

  20. Better method for preparation of BeF2, among the following is

    Text Solution

    |