Home
Class 12
CHEMISTRY
Describe the preparation of potassium di...

Describe the preparation of potassium dichromate from iron chromite ore. What is the effect of increasing pH on a solution of potassium dichromate?

Promotional Banner

Topper's Solved these Questions

  • d-AND f- BLOCK ELEMENTS

    MODERN PUBLICATION|Exercise EXERCISE|1089 Videos

  • COORDINATION COMPOUNDS

    MODERN PUBLICATION|Exercise EXERCISE|971 Videos

  • ELECTROCHEMISTRY

    MODERN PUBLICATION|Exercise EXERCISE|529 Videos

Similar Questions

Explore conceptually related problems

What is the effect of increasing PH on solution of Potassium dichromate.

Give the preparation of Potassium Permanganate from Pyrolusite ore.

Describe the oxidising action of potassium dichromate and write the ionic equations for its reaction with: iron(II) solution

Write the reaction of potassium iodide with acidified potassium dichromate.

Describe the oxidising action of potassium dichromate and write the ionic equations for its reaction with: H_2S

Describe the oxidising action of potassium dichromate and write the ionic equations for its reaction with: iodide

MODERN PUBLICATION-d-AND f- BLOCK ELEMENTS-EXERCISE
  1. Describe the preparation of potassium dichromate from iron chromite or...

    Text Solution

    |

  2. Name the third and fourth transition elements of first transition seri...

    Text Solution

    |

  3. What is the theoretical magnetic moment of Ti^(3+) ion ?

    Text Solution

    |

  4. Which of the two Zn(+2) or V(+4) is diamagnetic ?

    Text Solution

    |

  5. Which out of the following ions would form coloured complexes : Ni^(2+...

    Text Solution

    |

  6. How many unpaired electrons are present in each of the following ? Fe^...

    Text Solution

    |

  7. Out of V^(2+) and V^(3+) which is more paramagnetic and why ?

    Text Solution

    |

  8. Calculate the magnetic moment of Fe^(2+) ion (Z = 26).

    Text Solution

    |

  9. Name and write electronic configuration first three elements of second...

    Text Solution

    |

  10. Why Zn^(2+) salts are colourless and Ni2+ salts are coloured?

    Text Solution

    |

  11. A compound has been found to have magnetic moment of 3.9 B.M. How many...

    Text Solution

    |

  12. Name the catalyst of Vanadium used for oxidation of SO2 to SO3 in cont...

    Text Solution

    |

  13. Give reason, Mn^(2+) ion is more paramagnetic than Fe^(2+) ion.

    Text Solution

    |

  14. Express 1312 in roman numbers.

    Text Solution

    |

  15. Express 1313 in roman numbers.

    Text Solution

    |

  16. Express 1315 in roman numbers.

    Text Solution

    |

  17. Express 1320 in roman numbers.

    Text Solution

    |

  18. One day is equal to ............... seconds.

    Text Solution

    |

  19. Write ionic equation showing KMnO4 acting as an oxidising agent in aci...

    Text Solution

    |

  20. The oxidation state of chromium in dichromate ion (Cr2O7^(2-)) and chr...

    Text Solution

    |

  21. What is the oxidation state of Mn is manganate ion.

    Text Solution

    |