Home
Class 9
CHEMISTRY
a) What are the chemicals used for the p...

a) What are the chemicals used for the preparation of chlorine in the laboratory?
b) Why is the chlorine passed through sulphuric acid during its preparation?
c) How is bleaching powder prepared?
d) Which is the gas coming out from bleaching powder in the presence of water?

Text Solution

Verified by Experts

a) Potassium permanganate (.KMnO_4.) and hydrochloric acid (HCl)
b) To remove the water vapour formed along with chlorine gas
c) Bleaching power is made by passing chlorine through dry slaked lime.
.Ca(OH)_2 + Cl_2 rarr CaOCl_2 + H_2O.
d) Chlorine (.Cl_2.)
Promotional Banner

Topper's Solved these Questions

  • MODEL QUESTION PAPER AND ANSWERS

    V PUBLICATION|Exercise QUESTION BANK|20 Videos

  • PERIODIC TABLE

    V PUBLICATION|Exercise QUESTION BANK|61 Videos

Similar Questions

Explore conceptually related problems

By passing chlorine gas through a colourless solụtion, we get bleaching powder. (a) What happens if CO_2 is passed instead of Cl_2 ? (b) When CO_2 is passed in excess, what changes can you observe?

Which property of sulphuric acid is shown in the following situation. a) During the preparation of chlorine the gas is passed through concentrated H_(2)SO_(4) b) Wooden cupboards appeared to be burnt, when concentrated sulphuric acid happened to fall on it.

V PUBLICATION-NON - METALS-QUESTION BANK
  1. Some chemicals are given in the box. Find out and write down the chemi...

    Text Solution

    |

  2. Find out to which gases are the following statements related? a) The...

    Text Solution

    |

  3. a) What are the chemicals used for the preparation of chlorine in the ...

    Text Solution

    |

  4. "We should avoid chemical fertilizers completely and promote the use o...

    Text Solution

    |

  5. Classify the given chemical reactions into combination,displacement,de...

    Text Solution

    |

  6. Conduct a discussion on how nitrogen cycle benefits plants and animals...

    Text Solution

    |

  7. Conduct a seminar on "Ozone Depletion and its solutions".

    Text Solution

    |

  8. Take 5mL of hydrogen peroxide ('H2O2') solution in a test tube. Add a ...

    Text Solution

    |

  9. …....is inevitable for growth and sustenance of living organisms.

    Text Solution

    |

  10. Find the relation and fill them suitably: Oxygen: for respiration ...

    Text Solution

    |

  11. What is the colour of nitrogen gas?

    Text Solution

    |

  12. The chief ingredients of chemical fertilisers are................

    Text Solution

    |

  13. …............is used for the production of electricity by the reaction...

    Text Solution

    |

  14. The gas liberated when manganese dioxide heated with concentrated hydr...

    Text Solution

    |

  15. The condition needed in bleaching action of chlorine.

    Text Solution

    |

  16. The gas obtained when zinc react with water is….......

    Text Solution

    |

  17. The gas obtained when chlorine react with water is …............

    Text Solution

    |

  18. The reactants used to produce chlorine in the laboratory are …...........

    Text Solution

    |

  19. ….............is the protective covering of the earth.

    Text Solution

    |

  20. Ozone is mainly found in the …...........

    Text Solution

    |