Home
Class 12
CHEMISTRY
What would happen when a solution of pot...

What would happen when a solution of potassium chromate is treated with an excess of dilute nitric acid ?

A

`Cr_(2)O_(7)^(2-)` and `H_(2)O` are formed

B

`CrO_(4)^(2-)` is reduced to + 3 state of Cr

C

`CrO_(4)^(2-)` is oxidized to + 7 state of Cr

D

`Cr^(3+)` and `Cr_(2)O_(7)^(2-)` are formed

Text Solution

Verified by Experts

The correct Answer is:
A
`2K_(2)CrO_(4) + 2HNO_(3) rarr 2CrO_(4)^(2-) + H_(2)O`
Promotional Banner

Topper's Solved these Questions

  • THE D- AND F- BLOCK ELEMENTS

    DISHA PUBLICATION|Exercise EXERCISE - 1 CONCEPT BUILDER (TOPIC 3: LANTHANOIDS AND ACTINOIDS)|20 Videos

  • THE D- AND F- BLOCK ELEMENTS

    DISHA PUBLICATION|Exercise EXERCISE - 2 CONCEPT APPLICATOR|30 Videos

  • THE D- AND F- BLOCK ELEMENTS

    DISHA PUBLICATION|Exercise EXERCISE - 1 CONCEPT BUILDER (TOPIC CHARACTERISTICS OF D-BLOCK ELEMENTS )|20 Videos

  • SURFACE CHEMISTRY

    DISHA PUBLICATION|Exercise Exercise-2 :Concept Applicator|30 Videos

  • The p-Block Elements (Group 13 and Group 14)

    DISHA PUBLICATION|Exercise Exercise-2: Concept Applicator|30 Videos

Similar Questions

Explore conceptually related problems

What happen when a solution of potassium chromate is treated with an excess of dil. Nitic acid?

When tin is treated with concentrated nitric acid

What would happen when blood is acidic

What happens when a blue litmus paper is treated with an acid?

When zinc reacts with very dilute nitric acid it produces

What happen when CuSO_(4) solution is treated with (excess of ammonia solution and (ii) KI solution?

Potassium chromate solution is added to barium solution.

What happens if there is an excess of acid in the stomach ?

The number of moles of Br_(2) produced when two moles of potassium permanganate are treated with excess potassium bromide in aqueous acid medium is-

DISHA PUBLICATION-THE D- AND F- BLOCK ELEMENTS -EXERCISE - 1 CONCEPT BUILDER (TOPIC 2 : COMPOUNDS OF TRANSITION METALS)
  1. The oxoanion in which the oxidation state of the central atom is same ...

    Text Solution

    |

  2. When an aqueous solution of copper (II) sulphate is saturated with amm...

    Text Solution

    |

  3. When concentrated HCI is added to an aqueous solution of CoCl(2...

    Text Solution

    |

  4. Colourless solutions of the following four salts are placed separately...

    Text Solution

    |

  5. The correct statements of the following

    Text Solution

    |

  6. Among the following, the compound that is both paramagnetic and colour...

    Text Solution

    |

  7. K(2)Cr(2)O(7) on heating with aqueous NaOH gives

    Text Solution

    |

  8. What would happen when a solution of potassium chromate is treated wit...

    Text Solution

    |

  9. The oxidation state of chromium in the final product formed by the rea...

    Text Solution

    |

  10. The final products formed on the addition of KI to copper sulphate sol...

    Text Solution

    |

  11. KMnO(4) (acidic / alkaline ) is not decolurised by

    Text Solution

    |

  12. Acidified K(2)Cr(2)O(7) solution turns green when NasO(3) is added to ...

    Text Solution

    |

  13. KMnO4 can be prepared fromK2MnO4 as per the reaction: The reaction ...

    Text Solution

    |

  14. The pair of compounds that can exist together is:

    Text Solution

    |

  15. In acidic medium, H(2)O(2) changes Cr(2)O(7)^(-2) to CrO(5) which has ...

    Text Solution

    |

  16. The reaction of aqueous KMnO(4) with H(2)O(2) i acidic conditions give...

    Text Solution

    |

  17. Which of the following processes does not involve oxidation of iron ?

    Text Solution

    |

  18. Assuming complete ionization , same moles of which of the following co...

    Text Solution

    |

  19. Which one of the following statements is correct when SO(2) is passed ...

    Text Solution

    |

  20. Name the gas that can readily decolourise acidified KMnO(4) solution:

    Text Solution

    |