Home
Class 12
CHEMISTRY
[X]+H(2)SO(4) rarr [Y] a colourless gas ...

`[X]+H_(2)SO_(4) rarr [Y]` a colourless gas with irritating smell `[Y] + K_(2)Cr_(2)O_(7) + H_(2)SO_(4) rarr` green solution `[X]` and `[Y]` are

A

`SO_3^(2-), SO_2`

B

`Cl^(-) , HCl`

C

`S^(2-) , H_2S`

D

`CO_3^2, CO_2`

Text Solution

Verified by Experts

The correct Answer is:
A
`SO_3^(2)+underset(("from" H_2SO_4))(2H^(+))toSO_2+H_2O`
`3SO_2+Cr_2O_7^(2)+2H^(+)to3SO_4^(2)+underset(("green"))(2Cr^(3+))+H_2O`
Promotional Banner

Topper's Solved these Questions

  • THE OXYGEN FAMILY

    DINESH PUBLICATION|Exercise MATRIX MATCH|2 Videos

  • THE OXYGEN FAMILY

    DINESH PUBLICATION|Exercise INTEGER|4 Videos

  • THE OXYGEN FAMILY

    DINESH PUBLICATION|Exercise REVISION|143 Videos

  • THE NOBLE GASES

    DINESH PUBLICATION|Exercise Brain Teasers - 20|40 Videos

  • THE P-BLOCK ELEMENTS

    DINESH PUBLICATION|Exercise Brain Storming Multiple Choice Questions (McQs)|9 Videos

Similar Questions

Explore conceptually related problems

[X]+H_(2)SO_(4) to [Y] a colourless gas with irritating smell, [Y]+K_(2)Cr_(2)O_(7)+H_(2)SO_(4) to green solution. [X] and [Y] are respectively :

[X] +H_(2)SO_(4) to [Y] colourless with irritating smell. [Y] + K_(2)Cr_(2)O_(7)+H_(2)SO_(4) to green solution [X] and [Y] are

From the following information X + H_2 SO_4 rarr Y (a colourless and irritating gas) Y + K_2 Cr_2 O_7 + H_2 SO_4 rarr green coloured solution Identify the pair X and Y .

A mixture of K_(2)Cr_(2)O_(7) and conc. H_(2)SO_(4) forms

DINESH PUBLICATION-THE OXYGEN FAMILY-Selected Straight objective
  1. The first ionisation potential in electron volts of nitrogen and oxyge...

    Text Solution

    |

  2. There is no S-S bond in

    Text Solution

    |

  3. The oxidation states of the most electronegative elements in the produ...

    Text Solution

    |

  4. Which compound acts as an oxidising as well as reducing agent?

    Text Solution

    |

  5. A substance on treatment with dilute H(2)SO(4) liberates a colourless ...

    Text Solution

    |

  6. Hydrolysis of one mole of peroxodisulphuric acid produces

    Text Solution

    |

  7. Sodium thiosulphate is prepared by

    Text Solution

    |

  8. Which one of the following compounds has sp^(2) hybridization?

    Text Solution

    |

  9. Sodium nitrate decomposes above 800^(@)C to give :

    Text Solution

    |

  10. The oxidation number of sulphur in S(8), S(2)F(2) and H(2)S respective...

    Text Solution

    |

  11. The geometry of H(2)S and its dipole moment are :

    Text Solution

    |

  12. Amongst H2O, H2S, H2 Se and H2 Te, the one with the highest boiling po...

    Text Solution

    |

  13. The number of S-S bonds in sulphur trioxide trimer (S(3)O(9)) is

    Text Solution

    |

  14. Identify the correct order of acidic strength of CO(2),CuO, CaO and H(...

    Text Solution

    |

  15. [X]+H(2)SO(4) rarr [Y] a colourless gas with irritating smell [Y] + K(...

    Text Solution

    |

  16. The acid having O - O bond is

    Text Solution

    |

  17. Which of the following molecular species has unpaired electrons(s) ? .

    Text Solution

    |

  18. Which of the following statements is true ?

    Text Solution

    |

  19. Which of the following is the most boric oxide

    Text Solution

    |

  20. Angular shape of ozone molecule consists of

    Text Solution

    |