Home
Class 12
CHEMISTRY
Bleaching powder slowly loses its activi...

Bleaching powder slowly loses its activity when it stand in air. This is due to

A

Reaction with `CO_(2)` to evolve `Cl_(2)`

B

Reaction with moisture to liberate `O_(2)`

C

Loss of `CaCl_(2)`

D

Formation of `Ca(OH)_(2)`

Text Solution

Verified by Experts

The correct Answer is:
A

`CaOCl_(2) + CO_(2) rarr CaCO_(3) + Cl_(2)` because `Cl_(2)` is lost.
Promotional Banner

Topper's Solved these Questions

  • THE NOBLE GASES

    DINESH PUBLICATION|Exercise Brain Teasers - 20|40 Videos
  • THE NOBLE GASES

    DINESH PUBLICATION|Exercise Ultimate Preparatory Package|10 Videos
  • THE NITROGEN FAMILY

    DINESH PUBLICATION|Exercise Ultimate|14 Videos
  • THE OXYGEN FAMILY

    DINESH PUBLICATION|Exercise PREPARATORY PACKAGE|14 Videos

Similar Questions

Explore conceptually related problems

Explan the following in not more than two sentances : (i) Concentrated HNO_3 turns yellow in sunlight. (ii) Bleaching powder loses its bleaching property when it is kept in an open bottle for a long lime.

Explain the following: (a) In the preparation of HI from KI , phosphoric acid is preferred to sulphuric acid. (b) Boiling point of HCl is lower than HF . (c ) Bleaching powder loses its bleaching property when kept in an open bottle for a long time.

If copper is kept open in air, it slowly loses its shining brown surface and gains a green coating. It is due to the formation of

Bleaching powder loses its power on keeping for a long time because

DINESH PUBLICATION-THE NOBLE GASES-Brain Teasers - 19
  1. Dehydration of malonic acid with P(2)O(5) in vacuum at 140-150^(@)C gi...

    Text Solution

    |

  2. Which of the following acts as an acid in sulphuric acid ?

    Text Solution

    |

  3. Bleaching powder slowly loses its activity when it stand in air. This ...

    Text Solution

    |

  4. If X is a member of chalcogen family, the chemical highest stability o...

    Text Solution

    |

  5. A degenerate gas is

    Text Solution

    |

  6. Liquid flow from a higher to a level .Which of the following liquids c...

    Text Solution

    |

  7. Which among the following is solid or ordinary temperature ?

    Text Solution

    |

  8. Which of the following represents Caro's acid ?

    Text Solution

    |

  9. Aluminium appears like gold when it is mixed with

    Text Solution

    |

  10. Which of the following does not exist ?

    Text Solution

    |

  11. Which of the following hydride is capable of showing conformations ?

    Text Solution

    |

  12. Which oxidation state is not shown by carbon in its compounds?

    Text Solution

    |

  13. On exposure to light, electrical conductivity of selenium

    Text Solution

    |

  14. Which are formed when an electric discharge is passed through helium, ...

    Text Solution

    |

  15. is used as anaesthetic due to the formation of aqueous clathrates in ...

    Text Solution

    |

  16. An aluminium-silica clay called bentonite is dropped from aeroplanes i...

    Text Solution

    |

  17. Out of the following which will have highest tendency to form ionic co...

    Text Solution

    |

  18. Which of the following gases is used in very low temperature thermomet...

    Text Solution

    |

  19. Which of the following is known as Javelle water ?

    Text Solution

    |

  20. Anhydrone, a drying agent is

    Text Solution

    |