Home
Class 12
CHEMISTRY
Give two examples to show that sulphur d...

Give two examples to show that sulphur dioxide acts as a reducing agent.

Text Solution

Verified by Experts

(i) It reduces chlorine water to hydrochloric acid.
`SO_2 + 2H_2O + Cl_2 to H_2SO_4 + HCl`
(ii) It reduces potassium permanganate and potassium dichromate to `Mn^(+2)` and `Cr^(+3)` respectively.
`2KMnO_4 +5SO_2 + 2H_2O to K_2SO_4 + 2MnSO_4`
` K_2Cr2O_7+ 3SO_2 + H_2SO_4 to K_2SO_4 + Cr_2 (SO_4)_3 + H_2O`
Promotional Banner

Topper's Solved these Questions

  • P-BLOCK ELEMENT II

    PREMIERS PUBLISHERS|Exercise OTHER IMPORTANT QUESTIONS & ANSWERS (CHOOSE THE CORRECT ANSWER ) |30 Videos

  • P - BLOCK ELEMENTS - I

    PREMIERS PUBLISHERS|Exercise OTHER IMPORTANT QUESTIONS & ANSWERS (Answer the following questions) |87 Videos

  • SOLID STATE

    PREMIERS PUBLISHERS|Exercise OTHER IMPORTANT QUESTION &ANSWER ( ANSWER THE FOLLOWING :)|59 Videos

Similar Questions

Explore conceptually related problems

Sulphur dioxide act as _____.

Give two examples for metalloids.

GIve two examples of hardwoods.

PREMIERS PUBLISHERS-P-BLOCK ELEMENT II-OTHER IMPORTANT QUESTIONS & ANSWERS (ANSWER THE FOLLOWING QUESTIONS)
  1. With an example, prove sulphur dioxide in an acidic oxide.

    Text Solution

    |

  2. Give two examples for the oxidising property of sulphur dioxide.

    Text Solution

    |

  3. Give two examples to show that sulphur dioxide acts as a reducing agen...

    Text Solution

    |

  4. Give equation for the reaction in which sulphur dioxide is used for th...

    Text Solution

    |

  5. Explain the use of sulphur dioxide as a bleaching agent.

    Text Solution

    |

  6. Draw the structure of sulphur dioxide.

    Text Solution

    |

  7. Mention the uses of sulphur dioxide.

    Text Solution

    |

  8. Discuss the various steps involved in the manufacture of sulphuric aci...

    Text Solution

    |

  9. How do you prove that sulphuric acid is dibasic acid?

    Text Solution

    |

  10. Give two examples to show that conc. sulphuric acid is an oxidising ag...

    Text Solution

    |

  11. Complete and balance the equations. S + H2SO4 to

    Text Solution

    |

  12. Complete and balance the equations. P4 + H2SO4 to

    Text Solution

    |

  13. Complete and balance the equations. H2SO4 + HI to

    Text Solution

    |

  14. Complete and balance the equations. H2SO4 + HBr to

    Text Solution

    |

  15. Give a brief account of the action of sulphuric acid on metals.

    Text Solution

    |

  16. What happens when Potassium chloride is heated with concentrated sulph...

    Text Solution

    |

  17. What happens when Potassium nitrate is heated with concentrated sulphu...

    Text Solution

    |

  18. What happens when Sodium carbonate is heated with dilute sulphuric aci...

    Text Solution

    |

  19. What happens when Sodium bromide is heated with conc. sulphuric acid

    Text Solution

    |

  20. How will you detect sulphate radical in qualitative analysis.

    Text Solution

    |