Home
Class 12
CHEMISTRY
Which of the following statement(s) is (...

Which of the following statement(s) is (are) correct when. a mixture
of NaCl and `K_2Cr_2O_7` is gently warmed with conc. `H_2SO_4` ?

A

A deep red vapour is evolved

B

The vapour when passed through NaOH solution, gives a yellow solution.

C

Chlorine gas is also evolved.

D

Chromyl chloride is formed

Text Solution

Verified by Experts

Promotional Banner

Topper's Solved these Questions

  • d-AND f- BLOCK ELEMENTS

    MODERN PUBLICATION|Exercise EXERCISE|1089 Videos
  • COORDINATION COMPOUNDS

    MODERN PUBLICATION|Exercise EXERCISE|971 Videos
  • ELECTROCHEMISTRY

    MODERN PUBLICATION|Exercise EXERCISE|529 Videos

Similar Questions

Explore conceptually related problems

Which of the following statements are correct when a mixture of NaCl and K_2Cr_2O_7 is generally warmed with conc. H_2SO_4 ?

Which one of the following statement is correct when SO_2 is passed through acidified K_2Cr_2O_7 solution?

What happens when: K_2Cr_2O_7 is heated ?

What happens when ethanol is heated with conc. H_2 SO_4 at 443k?

Write the reaction of aniline with conc. H_2SO_4 .

Write reactions of K_2Cr_2O_7 , in acidic medium with H_2S .

What is the action of heat on K_2Cr_2O_7 and KMnO_4 ?

MODERN PUBLICATION-d-AND f- BLOCK ELEMENTS-EXERCISE
  1. Reduction of the metal centre in aqueous permanganate ion involves

    Text Solution

    |

  2. Write lewis dot symbol for following elements : aluminium

    Text Solution

    |

  3. Which of the following statement(s) is (are) correct when. a mixture ...

    Text Solution

    |

  4. What happens when potassium dichromate is heated with sodium chloride ...

    Text Solution

    |

  5. The yellow solution (X) is

    Text Solution

    |

  6. The bond order between C and C in ethyne according to lewis.

    Text Solution

    |

  7. Write lewis dot symbol for following elements : silicon

    Text Solution

    |

  8. The oxidation state of Cr in compound CrO5 is

    Text Solution

    |

  9. Draw lewis structure of PF3

    Text Solution

    |

  10. Draw lewis dot structure of SF2

    Text Solution

    |

  11. The atomic numbers of three lanthanide elements X,Y and Z are 65,68 a...

    Text Solution

    |

  12. Ce (Z = 58) and Yb (Z = 70) exhibit stable +4 and +2 oxidation states ...

    Text Solution

    |

  13. Which of the following statements is not true?

    Text Solution

    |

  14. Assertion : Tungsten has very high melting point. Reason : Tungsten ...

    Text Solution

    |

  15. Assertion : Cuprous salts are diamagnetic. Reason : Cu has 3d-filled...

    Text Solution

    |

  16. Electronic configuration of Fe^2+.........

    Text Solution

    |

  17. Why is La(OH)3 more basic than Lu(OH)3 ?

    Text Solution

    |

  18. Assertion : FeCl3 reacts with KCNS to give blood red colouration. Re...

    Text Solution

    |

  19. Draw lewis dot structure of SO2

    Text Solution

    |

  20. Why Zn^(2+) salts are colourless and Ni2+ salts are coloured?

    Text Solution

    |