Home
Class 12
CHEMISTRY
(NH(4))(2)Cr(2)O(7)( Ammonium dichromate...

`(NH_(4))_(2)Cr_(2)O_(7)(` Ammonium dichromate ) is used in fire works. The green coloured powder blown in air is

A

`CrO_(3)`

B

`Cr_(2)O_(3)`

C

`Cr`

D

`CrO(O)_(2)`

Text Solution

Verified by Experts

The correct Answer is:
B
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

Ammonium dichromate is used in some fire works. The green coloured powder blown in air is

Ammonium dichromate is used in some fireworks. The green-coloured powder blown in the air is

When (NH_(4))_(2)Cr_(2)O_(7) is heated, the gas evolved is

(NH_(4))_(2)Cr_(2)O_(7) overset("heat") to

(NH_(4))_(2)Cr_(2)O_(7) on heating gives a gas which is also given by :

(NH_(4))_(2)Cr_(2)O_(7) on heating liberates a gas. The same gas will be obtained by

AAKASH INSTITUTE- ALCOHOLS, PHENOLS AND ETHERS-Assignment Section -D (Assertion - reason type question)
  1. (NH(4))(2)Cr(2)O(7)( Ammonium dichromate ) is used in fire works. The ...

    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

    |