Home
Class 12
CHEMISTRY
Describe the process of KMnO(4) preparat...

Describe the process of `KMnO_(4)` preparation from pyrolusite ore. Mention the reactions involved.

Promotional Banner

Topper's Solved these Questions

  • D - AND F - BLOCK ELEMENTS

    CHHAYA PUBLICATION|Exercise PRACTICE SET 8 (Choose the correct alternative)|3 Videos

  • D - AND F - BLOCK ELEMENTS

    CHHAYA PUBLICATION|Exercise PRACTICE SET 8 (Answer the following questions)|10 Videos

  • D - AND F - BLOCK ELEMENTS

    CHHAYA PUBLICATION|Exercise EXERCISE (FILL IN THE BLANKS)|28 Videos

  • COORDINATION COMPOUNDS OR COMPLEX COMPOUNDS

    CHHAYA PUBLICATION|Exercise PRACTICE SET 21|2 Videos

  • ELECTROCHEMISTRY

    CHHAYA PUBLICATION|Exercise PRACTICE SET 4(Answer the following questions)|14 Videos

Similar Questions

Explore conceptually related problems

How is K_(2)Cr_(2)O_(7) prepared from chromite ore ? Give the reactions involved.

Indicate the steps in the preparation of : KMnO_(4) from pyrolusite ore.

Name the chemicals required for preparation of CO in the laboratory. Give equation(s) for the reaction(s) involved.

Write the preparation of K_(2)MnO_(4) from pyrolusite are (MnO_(2)) . Write the type of magnetism shown by KMnO_(4) and K_(2)MnO_(4) .

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

Describe the fertilization process of a flowering plant mentioning the formation of endosperm and embryo.

How is nitrogen prepared in the laboratory? Write the chemical equations of the reactions involved.

Write the reaction for the preparation of glyptal. Mention two of its uses.

Give the preparation reaction of XeOF_4 .

Give the reaction for preparation of hydrogen from alkali?

CHHAYA PUBLICATION-D - AND F - BLOCK ELEMENTS -EXERCISE (SHORT ANSWER-TYPE QUESTIONS)
  1. E(Cr^(3+)|Cr^(2+))^(0)=-0.4V, E(Mn^(3+)|Mn^(2+))^(0)=+1.5V, E(Fe^(3+...

    Text Solution

    |

  2. Cr is a solid metal while Hg is a liquid metal - give reasons.

    Text Solution

    |

  3. Both transition elements and representative elements exhibit variable ...

    Text Solution

    |

  4. The value of third ionisation enthalpy of manganese is much higher tha...

    Text Solution

    |

  5. Transition elements have higher enthalpies of atomisation. Why ?

    Text Solution

    |

  6. For first row transition metals, E^(0) values are irregular - explain.

    Text Solution

    |

  7. Actinoids exhibit more oxidation states than lanthanoids. Why ?

    Text Solution

    |

  8. To calculate the magnetic moment of lanthanoid ions, both spin angular...

    Text Solution

    |

  9. Why are + 3 oxidation states of gadolinium and lutetium stable ?

    Text Solution

    |

  10. The colour of complex compounds of d - block elements depends on the l...

    Text Solution

    |

  11. Why is the value of magnetic moment of actinoids less than that of lan...

    Text Solution

    |

  12. Discuss three dissimilarities between lanthanoids and actinoids.

    Text Solution

    |

  13. Why are transition elements having d^(1) - configuration unstable ?

    Text Solution

    |

  14. Discuss the characteristic properties of the transition elements with ...

    Text Solution

    |

  15. How is K(2)Cr(2)O(7) prepared from chromite ore ? Give the reactions i...

    Text Solution

    |

  16. Describe the process of KMnO(4) preparation from pyrolusite ore. Menti...

    Text Solution

    |

  17. {:(,IE(1)+IE(2),IE(3)+IE(4)),("Element",(KJ.mol^(-1)),(KJ.mol^(-1))),(...

    Text Solution

    |

  18. A blackish - brown solid (A) is oxidised in air with the hydroxide of ...

    Text Solution

    |

  19. Explain the behaviour of lanthanoids with respect to the following - (...

    Text Solution

    |

  20. State three uses of KMnO(4) and K(2)Cr(2)O(7) each.

    Text Solution

    |