Home
Class 12
CHEMISTRY
Which of the following statements, about...

Which of the following statements, about the advantage of roasting of sulphide ore before reduction is not true ?

A

Roasting of the sulphide to the oxide is thermodynamically feasible

B

Carbon and hydrogen are suitable reducing agents for metal sulphides

C

The `DeltaG^(@)` of the sulphide is greater than those for `CS_2` and `H_2S`

D

The `DeltaG^(@)` is negative for roasting of sulphide ore to oxide

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Topper's Solved these Questions

  • GENERAL PRINCIPLES AND PROCESSES OF ISOLATION OF ELEMENTS

    AAKASH INSTITUTE|Exercise Assignment (Section-D) Assertion-Reason Type Question|15 Videos

  • GENERAL PRINCIPLES AND PROCESSES OF ISOLATION OF ELEMENTS

    AAKASH INSTITUTE|Exercise Assignment (Section-B) Objective type Question|25 Videos

  • EQUILIBRIUM

    AAKASH INSTITUTE|Exercise ASSIGNMENT (SECTION -D)|20 Videos

  • GENERAL PRINCIPLES AND PROCESSES OF ISOLATION OF ELEMENTS

    AAKASH INSTITUTE|Exercise Try Yourself|33 Videos

Similar Questions

Explore conceptually related problems

Which of the following srtatement above the advantage of masting of sulphide are before reduction is not true?

Which of the following statement ore incorrect regarding roasting?

Which of the following statements about the reduction is not true ?

Which of the following statements is correct for roasting

Which of the following is(are) sulphide ores?

Why is it advantageous to roast a sulphide ore to the oxide before reduction ?

Which of the following metals can be oriented directly during the roasting of its sulphide ore

AAKASH INSTITUTE-GENERAL PRINCIPLES AND PROCESSES OF ISOLATION OF ELEMENTS-Assignment (Section-C) Previous Years Question
  1. The following reactions take place in the blast furnace in the prepara...

    Text Solution

    |

  2. Match the following

    Text Solution

    |

  3. Which of the following statements, about the advantage of roasting of ...

    Text Solution

    |

  4. Sulphide ores of metals are usually concentrated by forth floation pro...

    Text Solution

    |

  5. The mass of carbon anode consumed (giving only carbon dioxide) in the ...

    Text Solution

    |

  6. In which of the following processes, fused sodium hydroxide is electro...

    Text Solution

    |

  7. Which of the following does not contain aluminium?

    Text Solution

    |

  8. Which of the following does not contain Mg?

    Text Solution

    |

  9. Carborundum is a

    Text Solution

    |

  10. In the basic Bessemer process for the manufacture of steel, the lining...

    Text Solution

    |

  11. Mond's process is used for

    Text Solution

    |

  12. Which method of purification is represented by the following equations...

    Text Solution

    |

  13. Which of the following sulphides when heated strongly in air gives the...

    Text Solution

    |

  14. The most important ore of tin is

    Text Solution

    |

  15. Heating of ore in presence of air to remove sulphure impurities is cal...

    Text Solution

    |

  16. The process used for the extraction of sodium is called :

    Text Solution

    |

  17. Among the metals Cr,Fe,Mn,Ti,Ba, and Mg, the one that cannot be obtain...

    Text Solution

    |

  18. Chemical used as a depressant in separatin ZnS from PbS in froth-float...

    Text Solution

    |

  19. Which ore contains both iron and copper?

    Text Solution

    |

  20. To dissolve argentite ore which of the following is

    Text Solution

    |