Home
Class 12
CHEMISTRY
Name one ore each of manganese and chrom...

Name one ore each of manganese and chromium.

Text Solution

Verified by Experts

The correct Answer is:
Mn=Pyrolusite,`MnO_(2)`
`Cr`=Chromite/ferrochromo,`FeO.Cr_(2)O_(3)`
Promotional Banner

Topper's Solved these Questions

  • D BLOCK ELEMENTS

    RESONANCE|Exercise EXERCISE-3 PART-II|26 Videos

  • D & F BLOCK ELEMENTS

    RESONANCE|Exercise INORGANIC CHEMISTRY(d & f- Block Elments)|40 Videos

  • DPP

    RESONANCE|Exercise QUESTIONS|223 Videos

Similar Questions

Explore conceptually related problems

Write one role of manganese

Write one role of manganese

Name one ore of boron.

An ore of manganese metal is:

(a). Name two metals which occur in nature in free state as well as in combined state. (b). Name one ore of manganese. Which compound of manganese is present in this ore? Also write, its chemical formula. (c) A zinc ore on heating in air forms sulphur dioxide. Describe briefly any two stages involved int eh conversion of this concentrated ore into zinc metal.

Name one alloy each of iron and aluminium.

Name any two ores of magnesium .

RESONANCE-D BLOCK ELEMENTS-EXERCISE-3 PART-III
  1. (a) of the ions A^(+),CO^(2+) and Ti^(+), which one will be coloured i...

    Text Solution

    |

  2. Name one ore each of manganese and chromium.

    Text Solution

    |

  3. In the transition series with an increase in atomic number, the atomic...

    Text Solution

    |

  4. Why Zr and Hf or Nb and Ta exhibit similar properties? Or Zirconium ...

    Text Solution

    |

  5. Why among the lanthanides Ce,(III), can be easily oxidised to Ce(IV) (...

    Text Solution

    |

  6. Wxplain why E^(@) for Mn^(3+)//Mn^(2+) couple is more positive than th...

    Text Solution

    |

  7. What is the effect of increasing pH on K2Cr2O7 solution?

    Text Solution

    |

  8. What is the basic difference between the electronic configuration of t...

    Text Solution

    |

  9. Why do transition elements show variable oxidation state?

    Text Solution

    |

  10. Give reasons for each of the following: (i) Size of trivalent lantha...

    Text Solution

    |

  11. The E^(@) value in respect of the electrodes (Z=24), manganese (Z=25) ...

    Text Solution

    |

  12. The outer electronic configuration of two members of the lanthanoid se...

    Text Solution

    |

  13. Assign reason for each of the following statement: (i) The largest n...

    Text Solution

    |

  14. Write all posible oxidation state of an element having atomic number 2...

    Text Solution

    |

  15. Why is +2 oxidation state of mmanganese quite stable while the same is...

    Text Solution

    |

  16. How is the variability in oxidation states fo transition metals differ...

    Text Solution

    |

  17. Write the electronic configuration of the element with atomic number 1...

    Text Solution

    |

  18. (a) Describe the general trends in the following properties of the fir...

    Text Solution

    |

  19. How would you account for the fact that the transition metals and thei...

    Text Solution

    |

  20. Assign reasons for the following : (i) The enthalpies of atomisatio...

    Text Solution

    |