Home
Class 12
CHEMISTRY
The number of electrons required to redu...

The number of electrons required to reduce `4.5 xx 10^(–5)` g of `Al^(+3)` is :

A

3

B

`5.01 xx 10^(6)`

C

`3.0 xx 10^(18)`

D

`1.8 xx 10^(20)`

Text Solution

Verified by Experts

The correct Answer is:
C
Promotional Banner

Topper's Solved these Questions

  • ELECTROCHEMISTRY

    TARGET PUBLICATION|Exercise EVALUATION TEST|19 Videos
  • ELECTROCHEMISTRY

    TARGET PUBLICATION|Exercise CRITICAL THINKING|76 Videos
  • D AND F-BLOCK ELEMENT

    TARGET PUBLICATION|Exercise EVALUATION TEST|15 Videos
  • GENERAL PRINCIPLES AND PROCESSES OF ISOLATION OF ELEMENTS

    TARGET PUBLICATION|Exercise Evaluation Thinking|15 Videos

Similar Questions

Explore conceptually related problems

Calculate the number of electrons required to deposit 41.5 g of Al

How many moles of electrons are required to (i) reduce 1 mol of MnO_(4)^(-) to Mn^(2+) (ii) produce 10.0 g of Al from molten Al_(2) O_(3) ?

How many atoms are in 4.0 xx 10^(-5) gams of Al?

TARGET PUBLICATION-ELECTROCHEMISTRY-COMPETITIVE THINKING
  1. Electrolysis of dilute aqueous NaCl solution was carried out by passin...

    Text Solution

    |

  2. Two Faraday of electricity is passed through a solution of CuSO(4). Th...

    Text Solution

    |

  3. The number of electrons required to reduce 4.5 xx 10^(–5) g of Al^(+3)...

    Text Solution

    |

  4. 20 mL solution of 0.1 M ferrous suplhate was completely oxidised ...

    Text Solution

    |

  5. The number of electrons delivered at the cathode during electrolysis b...

    Text Solution

    |

  6. When 0.5 amp of current was passed for 200 seconds, 0.34 gm of copper ...

    Text Solution

    |

  7. Copper is a divalent metal . The value of its electrochemical equiv...

    Text Solution

    |

  8. The weight of silver (at wt. = 108) displaced by a quantity of electri...

    Text Solution

    |

  9. Same amount od electricity is passed through solutions of ferrous chlo...

    Text Solution

    |

  10. When same quantity of electricity is passed for half an hour, the amou...

    Text Solution

    |

  11. Two electrolytic cells containing molten solutions of nickel chloride ...

    Text Solution

    |

  12. In the cell represented by Pb(s)|Pb^(2+)(1 M)||Ag^(+)(1M)|Ag(s) the...

    Text Solution

    |

  13. De-electronation process in Nernst theory means .

    Text Solution

    |

  14. The electrode where de-electronation takes place acts as .

    Text Solution

    |

  15. Standard electrode potential for Sn^(4+)//Sn^(2+) couple is 0.15 V and...

    Text Solution

    |

  16. Given below are half-cell reactions

    Text Solution

    |

  17. The cell reaction of a cell is Mg+Cu^(2+) to Mg^(2+)+Cu (Given E(...

    Text Solution

    |

  18. Standard reduction potential of Au^(3+)//Au and Sn^(4+)//Sn^(2+) elect...

    Text Solution

    |

  19. The e.m.f of galvanic cell , with oxidation potentials of Zn = +0.76 V...

    Text Solution

    |

  20. The E(cell)^(@) value for Pt, H(2)|H^(+)||Ag^(+)|Ag is . [E(Ag//Ag^(+)...

    Text Solution

    |