Home
Class 12
CHEMISTRY
Explain how the colour of a solution of ...

Explain how the colour of a solution of `K_2Cr_2O_7` depends on the pH of the solution ?

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 action of heat on K_2Cr_2O_7 and KMnO_4 ?

When H_2O_2 is shaken with an acidified solution of K_2Cr_2O_7 in presence of ether, the ethereal layer turns blue due to the formation of

How is K_2Cr_2O_7 prepared ? Write chemical equations.

Write the reaction of SO_2 with K_2 Cr_2 O_7

Colour of acidic K_2Cr_2O_7 solution is orange / yellow .

What is the colour of pH paper in NaCl solution?

Calculate the pH of the solution containing 2g of NaOH per liter of the solution.

MODERN PUBLICATION-d-AND f- BLOCK ELEMENTS-EXERCISE
  1. Complete the following chemical equation : MnO4^(-)(aq) + H2O2(aq)+ H^...

    Text Solution

    |

  2. Give the preparation of Potassium Permanganate from Pyrolusite ore.

    Text Solution

    |

  3. Explain how the colour of a solution of K2Cr2O7 depends on the pH of t...

    Text Solution

    |

  4. Explain, giving reasons, which one of the following pairs exhibits the...

    Text Solution

    |

  5. Explain, giving reasons, which one of the following pairs exhibits the...

    Text Solution

    |

  6. Write chemical reaction for preparation of K2Cr207 from chromite ore.

    Text Solution

    |

  7. Why is Copper considered as transition metal ?

    Text Solution

    |

  8. Calculate the number of unpaired electrons in the following gaseous io...

    Text Solution

    |

  9. State what happens when a solid mixture of KCl and K2Cr2O7 is heated w...

    Text Solution

    |

  10. To what extent do the electronic configurations decide the stability o...

    Text Solution

    |

  11. Why are Mn^(2+) compounds more stable than Fe^(2+) compounds towards o...

    Text Solution

    |

  12. Write the name of metal which shows only +3 oxidation state.

    Text Solution

    |

  13. What is lanthanoid contraction ?

    Text Solution

    |

  14. Give the general electronic configuration of d-block elements.

    Text Solution

    |

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

    Text Solution

    |

  16. What is Actinoid contraction ? Explain it.

    Text Solution

    |

  17. What arecoinage metals ?

    Text Solution

    |

  18. What are transition elements ? Which of the d block elements are not r...

    Text Solution

    |

  19. Most of transition metals show variable oxidation states. Explain

    Text Solution

    |

  20. Give the cause of Lanthanide Contraction.

    Text Solution

    |