Home
Class 12
CHEMISTRY
Which of the following statements is inc...

Which of the following statements is incorrect?

A

Basic copper carbonate is `CuCO_3.Cu(OH)_2`

B

On strong heating potassium dichromate decomposes with evolution of oxygen

C

CuS is white in colour

D

`KMnO_4`, exists as dark purple black prismatic crystals

Text Solution

Verified by Experts

The correct Answer is:
C
The sulphides of transition metals are coloured or black. CuS is black in colour
Promotional Banner

Topper's Solved these Questions

  • THE D- AND F-BLOCK ELEMENT

    BRILLIANT PUBLICATION|Exercise LEVEL-II (ASSERTION-REASON TYPE)|40 Videos

  • THE D- AND F-BLOCK ELEMENT

    BRILLIANT PUBLICATION|Exercise LEVEL-II (ASSERTION-REASON TYPE)|40 Videos

  • SURFACE CHEMISTRY

    BRILLIANT PUBLICATION|Exercise QUESTIONS (LEVEL - II) (ASSERTION REASON TYPE QUESTIONS) |6 Videos

  • THE D-AND F-BLOCK ELEMENTS

    BRILLIANT PUBLICATION|Exercise QUESTIONS (LEVEL-III)|50 Videos

Similar Questions

Explore conceptually related problems

Which of the following statement is incorrect?

Which of the following statement is incorrect ?

Which of the following statements are incorrect?

Which of the following statements are incorrect?

BRILLIANT PUBLICATION-THE D- AND F-BLOCK ELEMENT-LEVEL-II
  1. A solution of a metal ion when treated with KI gives a red precipitate...

    Text Solution

    |

  2. Which of the following statements is wrong?

    Text Solution

    |

  3. Which of the following statements is incorrect?

    Text Solution

    |

  4. Which is not true statement about FeO ?

    Text Solution

    |

  5. Paramagnetism is given by the relation mu = 2sqrt(s(s+1) magnetons whe...

    Text Solution

    |

  6. The oxygen carrying pigment, oxy-hảemocyanin, containing two copper io...

    Text Solution

    |

  7. Which one of the following statements is not correct?

    Text Solution

    |

  8. Consider a titration of potassium dichromate solution with acidified M...

    Text Solution

    |

  9. K3 [Fe(CN)6] is used as an external indicator in the dichromate estim...

    Text Solution

    |

  10. Potassium permanganate acts as an oxidant in neutral, alkaline as well...

    Text Solution

    |

  11. Which of the following statements regarding basicity of lanthanide 3^+...

    Text Solution

    |

  12. The correct order of magnetic moments (spin only values in B.M.) among...

    Text Solution

    |

  13. Cerium (Z 58) is an important member of the lanthanoids. Which of the ...

    Text Solution

    |

  14. Ammonia forms the complexion [Cu(NH3)4]^(2+) with copper ions in alkal...

    Text Solution

    |

  15. Magnetic moment of Cr (Z-24), Mn^+(Z=25) and Fe^+ (Z=26) " are " x, y,...

    Text Solution

    |

  16. HCl is not used to make the medium acidic in oxidation reactions of KM...

    Text Solution

    |

  17. 'Which of the following statement is not correct?

    Text Solution

    |

  18. The number of moles of acidified KMnO4 required to convert one mole of...

    Text Solution

    |

  19. The correct order of ionic radii of Ce, La, Pm and Yb in+3 oxidation s...

    Text Solution

    |

  20. All Cu(II) halides are known except iodide. The reason for this is tha...

    Text Solution

    |