Home
Class 12
CHEMISTRY
Which of the following salt on heating w...

Which of the following salt on heating with solid `K_(2)Cr_(2)O_(7)` and Conc. `H_(2)SO_(4)` , orange red vapours are evolved which turn NaOH solution yellow.

A

`CrO_(5)`

B

`CrO_(4)^(2-)`

C

`CrO_(2)Cl_(2)`

D

`Cr_(2)O_(3)`

Text Solution

Verified by Experts

The correct Answer is:
C
Promotional Banner

Topper's Solved these Questions

  • ALCOHOLS, PHENOLS AND ETHERS

    AAKASH INSTITUTE|Exercise Try yourself|4 Videos
  • ALCOHOLS, PHENOLS AND ETHERS

    AAKASH INSTITUTE|Exercise Exercise|40 Videos
  • ALCOHOLS, PHENOLS AND ETHERS

    AAKASH INSTITUTE|Exercise Try Yourself|5 Videos

Similar Questions

Explore conceptually related problems

Which of the following on heating with K_(2)Cr_(2)O_(7) and conc. H_(2)SO_(4) with organge red color vapours ?

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

Solid KCl, when heated with solid K_(2)Cr_(2)O_(7) and concentrated H_(2)SO_(4) , gives red vapours (a) that turn NaOH solution yellow (b). The yellow solution, when acidified with acetic acid and treated with lead acetate, gives a yellow precipitate (c). which of the following is true with respect to a, b and c?

Which of the following salt on heating with concentrated H_(2)SO_(4) , coloured vapours do not evolve?

AAKASH INSTITUTE- ALCOHOLS, PHENOLS AND ETHERS-Assignment Section -D (Assertion - reason type question)
  1. Which of the following salt on heating with solid K(2)Cr(2)O(7) and Co...

    Text Solution

    |

  2. A : p - nitrophenol has high pK(a) in comparison to o-nitrophenol ...

    Text Solution

    |

  3. A : When C(2) H(5) - O- CH(3) is reacted with oen mole of Hl then C(2...

    Text Solution

    |

  4. A : When 3,3-dimethyl butan - 2 - ol is heated in presence of concentr...

    Text Solution

    |

  5. A : In esterification reaction , HCOOH is the most reactive acid among...

    Text Solution

    |

  6. A : Ethers can't be distilled upto dryness due to fear of explosion . ...

    Text Solution

    |

  7. A : Phenol does not react with NaHCO(3) . R : Phenol is less acid...

    Text Solution

    |

  8. A : CH(3) - underset(O)underset(||)(C)-COOH gives haloform reaction ...

    Text Solution

    |

  9. A : Diphenyl ether is prepared by Williamson synthesis . R : This...

    Text Solution

    |

  10. A : Grignard's reagent is prepared in the presence of ether . R :...

    Text Solution

    |

  11. A : CH(3) - underset(CH(3))underset(|)overset(CH(3))overset(|)(C)-CH=...

    Text Solution

    |

  12. A : Two moles of Grignard reagent is consumed in the formation of ter...

    Text Solution

    |

  13. A : CH(3)-underset(CH(3))underset(|)overset(CH(3))overset(|)(C)-O-CH...

    Text Solution

    |

  14. A : Ortho - cresol is weaker acidic than meta-cresol . R : It is d...

    Text Solution

    |

  15. A : Among all ortho halophenol , fluorophenol is least acidic . R ...

    Text Solution

    |

  16. A : In esterification reaction alcohol act as nucleophile . R : ...

    Text Solution

    |

  17. A : Phenol is manufactured by Dow 's pocess. R : It involves the ...

    Text Solution

    |

  18. A : Primary alcohol is prepared by the reaction of primary amine with ...

    Text Solution

    |

  19. A : Thte reactivity order of alcohols is 1^(@) gt 2^(@) gt 3^(@) for...

    Text Solution

    |

  20. A : The dehydration of ethyl alcohol in presence of Al(2)O(2) at 633 ...

    Text Solution

    |