Home
Class 12
CHEMISTRY
Assertion : Solution of Na(2) CrO(4) in ...

Assertion : Solution of `Na_(2) CrO_(4)` in water is intensely electrons.
Reason : Oxidation state of `Cr` in `Na_(2) CrO_(4)` is `+ VI`.

A

If both assetion and reason are true and the reason is the correct explanation of the assertion.

B

If both assertion and reason are ture but reason is not the correct explanation of the assertion.

C

If assertion is true but reason is false.

D

If assertion is false but reason is true.

Text Solution

Verified by Experts

The correct Answer is:
A

A solution of `Na_(2)CrO_(4)` in water is intensely coloured due to oxidation state of chromium in `Na_(2) CrO_(4)` is `+ 6`. Here both assertion and reason are corredt.
Promotional Banner

Topper's Solved these Questions

  • THE D AND F BLOCK ELEMENTS

    A2Z|Exercise AIPMT/NEET Questions|31 Videos
  • THE D AND F BLOCK ELEMENTS

    A2Z|Exercise AIIMS Questions|31 Videos
  • THE D AND F BLOCK ELEMENTS

    A2Z|Exercise Lanthanides And Actinides|29 Videos
  • SURFACE CHEMISTRY

    A2Z|Exercise Section D - Chapter End Test|30 Videos

Similar Questions

Explore conceptually related problems

The oxidation state of Cr in CrO_(5) is

The oxidation state of Cr in CrO_(5) is:

Assertion : Out of CrO_(3)& Al_(2)O_(3), CrO_(3) having lower melting point than Al_(2)O_(3) . Reason: Oxidation state of Cr in CrO_(3) is high

The sum of oxidation states of all atoms in CrO_(4)^(2-) is

Calculate the formal charge and the oxiation state of Cr in chromate (CrO_(4)^(2-))ion .

Assertion : K_(2)CrO_(4) has yellow colour due to charge transfer. Reason : CrO_(4)^(2-) ion is tetrahedral in shape.

The metal with the highest oxidation state presnt in K_(2)CrO_(4),NbCl_(5) and MnO_(2) is -

A2Z-THE D AND F BLOCK ELEMENTS-Section B - Assertion Reasoning
  1. Assertion : In acid solution, permanganate is reduced to Mn^(2+) by an...

    Text Solution

    |

  2. Assertion : Pure iron is not used for making tools and machines. Rea...

    Text Solution

    |

  3. Assertion : Solution of Na(2) CrO(4) in water is intensely electrons. ...

    Text Solution

    |

  4. Assertion : The free gases Cr atom has six unpaired electrons. Half-...

    Text Solution

    |

  5. Assertion: Tt^(3+) salts are coloured whereas Ti^(4+) salts are white....

    Text Solution

    |

  6. Assertion: The metals of 4d and 5d greater enthalpies of atomisation t...

    Text Solution

    |

  7. Assertion : Potassium dichromates gives deep red vapours with concentr...

    Text Solution

    |

  8. Assertion : Manganese show a maximum oxidation state of + 5. Reason ...

    Text Solution

    |

  9. Assertion: MnO is basic whereas Mn2O7 is acidic. Reason: Higher the ...

    Text Solution

    |

  10. Assetion : Ce^(3+) is used as an oxidizing in volumetric analysis. R...

    Text Solution

    |

  11. Assertion : The number of unpaired electrons in the following gaseous ...

    Text Solution

    |

  12. Assertion : Lanthanoids show a limited of ixidation states wheres acta...

    Text Solution

    |

  13. Assertion : The highest manganese fluroide is MnF(4) and the highest o...

    Text Solution

    |

  14. Assertion: Mercury is not considered as a transition element. Reason...

    Text Solution

    |

  15. Assertion: In any transition series the magnetic moment of M^(2+) ions...

    Text Solution

    |

  16. Assertion : Silver intrate is reduced to silver by the hydrides of 15t...

    Text Solution

    |

  17. Assertion : Ag(2) S + 4 KCN 2K [Ag(CN)(2)] + K(2) s Reason : The rea...

    Text Solution

    |

  18. Assertion: K2Cr2O7 is used as primary standard in volumetric analysis....

    Text Solution

    |

  19. Assertion : The value of enthaply of atomisation is maximum at about t...

    Text Solution

    |

  20. Assertion: The spin only magnetic moment of Sc^(3+) is 1.73 BM. Reas...

    Text Solution

    |