Home
Class 12
CHEMISTRY
MnO2 on heating with potassium hydroxid...

` MnO_2` on heating with potassium hydroxide in the presence of air forms........

Text Solution

AI Generated Solution

To solve the question, we need to analyze the reaction of manganese dioxide (MnO₂) with potassium hydroxide (KOH) in the presence of air (atmospheric oxygen). ### Step-by-Step Solution: 1. **Identify the Reactants**: The reactants in this reaction are manganese dioxide (MnO₂) and potassium hydroxide (KOH). 2. **Consider the Reaction Conditions**: The reaction occurs upon heating and in the presence of atmospheric oxygen. This indicates that oxygen will participate in the reaction, likely affecting the oxidation state of manganese. ...
Promotional Banner

Topper's Solved these Questions

  • D AND F-BLOCK ELEMENTS

    MODERN PUBLICATION|Exercise CONCEPTUAL QUESTION|49 Videos

  • D AND F-BLOCK ELEMENTS

    MODERN PUBLICATION|Exercise NCERT FILE (INTEXT QUESTION)|10 Videos

  • D AND F-BLOCK ELEMENTS

    MODERN PUBLICATION|Exercise UNIT PRACTICE TEST|12 Videos

  • CHEMISTRY IN EVERYDAY LIFE

    MODERN PUBLICATION|Exercise UNIT PRACTICE TEST|13 Videos

  • ELECTROCHEMISTRY

    MODERN PUBLICATION|Exercise UNIT PRACTICE TEST|20 Videos

Similar Questions

Explore conceptually related problems

If Na is heated in presence of air, it forms

Carborundum on heating with caustic soda in presence of air produces

When boron is fused with potassium hydroxide which pair of species are formed?

Oh heating pyrolusite with KOH in presence of air we get

MODERN PUBLICATION-D AND F-BLOCK ELEMENTS-PRACTICE PROBLEM
  1. The oxidation state of Cr in K(2)Cr(2)O(7) is:

    Text Solution

    |

  2. The orange colour of dichromate solution changes of blue on heating wi...

    Text Solution

    |

  3. MnO2 on heating with potassium hydroxide in the presence of air forms...

    Text Solution

    |

  4. Chromite is ...........

    Text Solution

    |

  5. KMnO4 overset("heat")(to) ………… + MnO2 + …………..

    Text Solution

    |

  6. Write ionic equation showing KMnO4 acting as an oxidising agent in ac...

    Text Solution

    |

  7. What is the oxidation state of (i) Cr in dichromate ion (ii) ...

    Text Solution

    |

  8. The equivalent weight of KMnO(4) in (a) neutral medium, (b) acidic med...

    Text Solution

    |

  9. Complete the chemical reactions : (i) MnO4^(-) + SO2 + H^(+) to ...

    Text Solution

    |

  10. What is the shape of chromate ion ?

    Text Solution

    |

  11. In chromyl chloride test orange red vapours are obtained. These are du...

    Text Solution

    |

  12. Which out of the two ,La(OH)(3) and Lu(OH)(3), is more basic and why?

    Text Solution

    |

  13. Most stable oxidation state of Lanthanoids

    Text Solution

    |

  14. How many unpaired electrons are present in Gd(Z = 64) ?

    Text Solution

    |

  15. Name the actinoid used for the manufacture of fine rods for atomic rea...

    Text Solution

    |

  16. Arrange Ce^(3+) (Z = 58), Sm^(3+) (Z = 62) and Yb^(3+ ) (Z = 70) in d...

    Text Solution

    |

  17. Name the basic cause of similar atomic radii of Hf and Zr.

    Text Solution

    |

  18. Does actinoids show actinoid contraction similar to lanthanoid contrac...

    Text Solution

    |

  19. Name the trivalent lanthanoid having the configuration [Xe]4f^7

    Text Solution

    |

  20. Which of the following ion is colourless? U^(3+) , Cm^(4+) , Th^(4...

    Text Solution

    |