Home
Class 12
CHEMISTRY
The colour of CuCr2 O7 solution in water...

The colour of `CuCr_2 O_7` solution in water is green because

A

`Cr_(2)O_(7)^(2-)` ions are green

B

`Cu^(++)` ions are green

C

Both ions are green

D

`Cu^(++)` ions are blue and `Cr_(2)O_(7)^(2-)` ions are yellow

Text Solution

Verified by Experts

The correct Answer is:
D
`Cu^(++)` ions are blue and `Cr_(2)O_(7)^(-)` ions are yellow, yellow and blue combination gives-green colour.
Promotional Banner

Topper's Solved these Questions

  • ANALYTICAL CHEMISTRY

    ERRORLESS |Exercise Ordinary Thinking Objective Questions (Volumetric Analysis)|72 Videos

  • ANALYTICAL CHEMISTRY

    ERRORLESS |Exercise Critical Thinking Objective Questions|20 Videos

  • ANALYTICAL CHEMISTRY

    ERRORLESS |Exercise Ordinary Thinking Objective Questions (Wet Test for Acid Radical)|26 Videos

  • ALDEHYDES AND KETONES

    ERRORLESS |Exercise JEE Section (JEE (Advanced) 2018) Numeric answer type question|1 Videos

  • BIOMOLECULES AND POLYMER

    ERRORLESS |Exercise Jee section (Jee (Advanced 2018)) (More than one choice correct answer)|1 Videos

Similar Questions

Explore conceptually related problems

The colour of K_(2)Cr_(2)O_(7) solution changes with the change in pH of the medium. Why ?

Explain how the colour of K_2Cr_2O_7 solution depends on pH of the solution.

The aqueous solution of CuCrO_(4) is green because it contains:

ERRORLESS -ANALYTICAL CHEMISTRY-Ordinary Thinking Objective Questions (Wet Test for Basic Radical)
  1. In analysis of third contains of mixture analysis, solid NH(4)Cl is ad...

    Text Solution

    |

  2. Distinguishing reagent between silver and lead salt is

    Text Solution

    |

  3. The colour of CuCr2 O7 solution in water is green because

    Text Solution

    |

  4. When H(2)S gas is passed in a metal sulphate solution in presence of N...

    Text Solution

    |

  5. Precipitate of group IV cations takes place when H(2)S is

    Text Solution

    |

  6. How do we differentiate between Fe^(3+) and Cr^(3+) in group III ?

    Text Solution

    |

  7. When H2S is passed through Hg(2)^(2+), we get

    Text Solution

    |

  8. Which of the following sulphate is insoluble in water ?

    Text Solution

    |

  9. A mixture of two salts is not water soluble but dissolves completely i...

    Text Solution

    |

  10. A chloride dissolves appreciably in cold water. When placed on platinu...

    Text Solution

    |

  11. Which of the following mixture is chromic acid?

    Text Solution

    |

  12. Which radicals are precipitated in (NH(4))(2)CO(3) in presence of alka...

    Text Solution

    |

  13. Which of the following pairs of ions when mixed in dilute solutions ma...

    Text Solution

    |

  14. A colourless crystalline salt 'X' is soluble in dilute HCl. On adding ...

    Text Solution

    |

  15. In which of the following, NH(3) is not used

    Text Solution

    |

  16. A solid (A) which has photographic effect reacts with the solution of ...

    Text Solution

    |

  17. Out of Cu^(2+),Ni^(2+),Co^(2+) and Mn^(2+) those dissolved in dil. HCL...

    Text Solution

    |

  18. When calomel react with NH(4)OH solution the compound formed is

    Text Solution

    |

  19. Addition of SnCl(2) to HgCl(2) gives precipitate:

    Text Solution

    |

  20. When acetic acid and K(4)Fe(CN)(6) is added to a copper salt, a choco...

    Text Solution

    |