Home
Class 12
CHEMISTRY
Which of the following reaction is an ex...

Which of the following reaction is an example of autoreduction ?

A

`Fe_(3)O_(4) +4CO rarr 3Fe +4CO_(2)`

B

`Cu_(2)O +C rarr 2Cu +CO`

C

`Cu^(2+) (aq) +Fe (s) rarr Cu(s) +Fe^(2+)(aq)`

D

`Cu_(2)O + (1)/(2) Cu_(2)S rarr 3Cu +(1)/(2) SO_(2)`

Text Solution

Verified by Experts

Promotional Banner

Topper's Solved these Questions

Similar Questions

Explore conceptually related problems

Which of the following reactions is an example of autoreduction ?

Which of the following reaction is an example of elimination reaction :

The reaction, is an example of ,

Which of the following reactions is an example of nucleophilic substitution reaction?

Which of the following reactions is an example of nucleophilic substitution reaction?

Which one of the following reaction is an example of free radical substitution reaction?

ALLEN-METALLURGY-EXERCISE -04
  1. In the extraction of chlorine by electrolysis of brine .

    Text Solution

    |

  2. When copper ore is mixed with silica in a reverberatory furnance coppe...

    Text Solution

    |

  3. Which of the following reaction is an example of autoreduction ?

    Text Solution

    |

  4. A number of elements are available in earth's crust but most abundant ...

    Text Solution

    |

  5. Zone refining is based on the principle that

    Text Solution

    |

  6. In the extraction of copper from its sulfide ore, the metal is formed ...

    Text Solution

    |

  7. Brine is electrolysed by using inert electrodes. The reaction at anode...

    Text Solution

    |

  8. In the metallurgy of aluminium

    Text Solution

    |

  9. Electrolytic refining is used to purify which of the following metals ...

    Text Solution

    |

  10. Extraction of gold and silver involves leaching the metal with CN^(-) ...

    Text Solution

    |

  11. Choose the correct option of temperature at which carbon reduces FeO t...

    Text Solution

    |

  12. Below point 'A' FeO can (a)be reduced by carbon monoxide only. (b)...

    Text Solution

    |

  13. For the reduction of FeO at the temperature corresponding to point D, ...

    Text Solution

    |

  14. Which of the following options are correct ?

    Text Solution

    |

  15. In the extraction of aluminium by Hall-heroult Process, purified Al(2)...

    Text Solution

    |

  16. Which of the following statements is correct about the role of collect...

    Text Solution

    |

  17. In the froth floatation process, zinc sulphide and lead sulphide can b...

    Text Solution

    |

  18. Common impurities present in bauxite are …….

    Text Solution

    |

  19. Which of the following ore are concentrated by froth floatation ?

    Text Solution

    |

  20. Which of the following reaction occur during calcination ?

    Text Solution

    |