Home
Class 9
CHEMISTRY
Small amounts of phosphoric acid is usu...

Small amounts of phosphoric acid is usually added to hydrogen peroxide to prevent its decomposition.
a) What is the function of phosphoric acid here?
b) By which name are these types of substances known?
c) Which substance would you add to increase the rate of decomposition of hydrogen peroxide?

Text Solution

Verified by Experts

a) Decrease the rate of decomposition of .H_2O_2..
b) Negative catalyst.
c) .MnO_2. (Manganese dioxide)
Promotional Banner

Topper's Solved these Questions

  • PERIODIC TABLE

    V PUBLICATION|Exercise QUESTION BANK|61 Videos

  • Structure of Atom

    V PUBLICATION|Exercise QUESTION BANK|45 Videos

Similar Questions

Explore conceptually related problems

Small amounts of phosphoric acid is usually added to hydrogen peroxide to prevent its decomposition ? What is the function of phosphoric acid here ?

Small amounts of phosphoric acid is usually added to hydrogen peroxide to prevent its decomposition ? By which name are these type of substances known ?

Small amounts of phosphoric acid is usually added to hydrogen peroxide to prevent its decomposition Which substance would you add to increase the rate of decomposition of hydrogen peroxide ?

V PUBLICATION-REDOX REACTION AND RATE OF CHEMICAL REACTIONS-QUESTION BANK
  1. The chemical reaction between marble and dilute HCl is given. CaCO3...

    Text Solution

    |

  2. Sulphur pieces does not react with the cold concentrated nitric acid. ...

    Text Solution

    |

  3. Small amounts of phosphoric acid is usually added to hydrogen peroxid...

    Text Solution

    |

  4. Find the oxidation number of the elements which are underlined in the ...

    Text Solution

    |

  5. Some apparatus and chemicals are given. Zn, Mg, dilute HCl, 'CaCO3',...

    Text Solution

    |

  6. The experiments conducted by two students are given below: Experimen...

    Text Solution

    |

  7. Some materials available in the laboratory are given below. Magnesiu...

    Text Solution

    |

  8. 2g hydrogen reacts with 71g chlorine to form 73g of hydrogen chlorid...

    Text Solution

    |

  9. 4g hydrogen reacts with ….......g of oxygen to form 36g water.

    Text Solution

    |

  10. The scientist who proposed the law of conservation of mass.

    Text Solution

    |

  11. N2 + x H2 rarr y NH3 Find out the x and y.

    Text Solution

    |

  12. The process in which the gain of electrons is called ….........

    Text Solution

    |

  13. Mg + F2 rarr MgF2. In this reaction which element undergoes reduction....

    Text Solution

    |

  14. 2Na^0 + Cl2^0 rarr 2 Na^(+1)Cl^-1. In their reaction which atoms acts ...

    Text Solution

    |

  15. What is the oxidation state of Mn in MnO2 [-4, +2, +4, -2] (Hint: ...

    Text Solution

    |

  16. Which is the catalyst used to reduce the reaction rate of H2O2 decompo...

    Text Solution

    |

  17. Which of the following does not affect the rate of reaction? (Temper...

    Text Solution

    |

  18. The chemical equation of a reaction is given below Fe + x HCl rarr ...

    Text Solution

    |

  19. Choose oxidation reactions from the following and write them. i) Zn ...

    Text Solution

    |

  20. Equation showing the reaction between zinc and hydrochloride acid is g...

    Text Solution

    |