Home
Class 12
CHEMISTRY
Unlike HCl, why HBr cannot be prepared b...

Unlike HCl, why HBr cannot be prepared by the action of concentrated sulphuric acid on sodium bromide? Explain.

Promotional Banner

Topper's Solved these Questions

  • p-BLOCK ELEMENTS

    MODERN PUBLICATION|Exercise EXERCISE|1677 Videos

  • ORGANIC COMPOUNDS CONTAINING NITROGEN

    MODERN PUBLICATION|Exercise EXERCISE |518 Videos

  • POLYMERS

    MODERN PUBLICATION|Exercise EXERCISE|327 Videos

Similar Questions

Explore conceptually related problems

Why does concentrated sulphuric acid has high boiling point?

tert-Butylamine cannot be prepared by action of ammonia on tert-butyl bromide. Why ? Explain.

Fill in the blanks- Concentrated sulphuric acid is also known as ____________.

Fill in the blanks- ___________ is the other name of concentrated sulphuric acid.

How phenol reacts with phthalic anhydride in the presence of concentrated sulphuric acid ?

Write the product obtained at andoe on electorlysis of concentrated sulphuric acid using platinum electodes.

Explain the action of acidic buffer.

Pure amines cannot be prepared by ammonolysis. Why ?

MODERN PUBLICATION-p-BLOCK ELEMENTS-EXERCISE
  1. In the following questions a statement of assertion followed by a stat...

    Text Solution

    |

  2. Assertion : HNO3 makes iron passive. Reason : HNO3 forms a protective ...

    Text Solution

    |

  3. Unlike HCl, why HBr cannot be prepared by the action of concentrated s...

    Text Solution

    |

  4. Assertion : Both rhombic and monoclinic sulphur exist as S8 but oxygen...

    Text Solution

    |

  5. Which of the following reacts with NaNO2 + HCl at 273-278 K to give al...

    Text Solution

    |

  6. Assertion : SF6 cannot be hydrolysed but SF4 can be. Reason : Six F at...

    Text Solution

    |

  7. Which halogen has a tendency to form cations?

    Text Solution

    |

  8. Give the disproportionation reaction of H3PO3.

    Text Solution

    |

  9. Why ICI is more reactive than I2 ?

    Text Solution

    |

  10. Name the halogen which forms only one oxoacid and write the formula of...

    Text Solution

    |

  11. Arrange H2O, H2 S, H2 Se and H2 Te in order of their increasing acidic...

    Text Solution

    |

  12. Why does R3P=O exist but R3N=O does not? (R= alkyl group)

    Text Solution

    |

  13. Comment on nature of two S-O bond formed in SO2 molecule. Are the two ...

    Text Solution

    |

  14. Draw the structures of SF4.

    Text Solution

    |

  15. Draw the structure of XeF2, XeF4 and XeF6.

    Text Solution

    |

  16. Give reasons for the following : SF6 is not readily hydrolysed.

    Text Solution

    |

  17. Why does sulphur in vapour state exhibit paramagnetic character ?

    Text Solution

    |

  18. What are the interhalogen compounds ? Why are these more reactive than...

    Text Solution

    |

  19. Considering the parameters such as bond dissociation enthalpy, electro...

    Text Solution

    |

  20. Why is helium used in diving apparatus?

    Text Solution

    |