Home
Class 12
CHEMISTRY
CrO3 dissolves in aqueous NaOH to give...

`CrO_3` dissolves in aqueous NaOH to give

A

`CrO_4^(2-)`

B

`Cr(OH)_3`

C

`Cr_2O_7^(2-)`

D

`Cr(OH)_2`

Text Solution

Verified by Experts

The correct Answer is:
A
Promotional Banner

Topper's Solved these Questions

  • NTA JEE MOCK TEST 27

    NTA MOCK TESTS|Exercise CHEMISTRY|25 Videos

  • NTA JEE MOCK TEST 29

    NTA MOCK TESTS|Exercise CHEMISTRY|25 Videos

Similar Questions

Explore conceptually related problems

Cr)_(3) dissolved in aqueous NaOH to give:

Compound (A) C_(7)H_(8)O is insoluble in aqueous NaHCO_(3) and dissolves in aqueous NaOH and gives a characteristic colour with neutral FeCl_(3) . When treated with Br_(2) (A) forms compound (B) C_(7)H_(5)O Br_(3) . The structure of compound (B) would be :

Compound (A) C_(7)H_(8)O is insoluble in aqueous NaHCO_(3) and dissolves in aqueous NaOH and gives a characteristic colour with neutral FeCl_(3) . When treated with Br_(2) (A) forms compound (B) C_(7)H_(5)O Br_(3) . The most probable structure of compound A is :

Compound (A) C_(7)H_(8)O is insoluble in aqueous NaHCO_(3) and dissolves in aqueous NaOH and gives a characteristic colour with neutral FeCl_(3) . When treated with Br_(2) (A) forms compound (B) C_(7)H_(5)O Br_(3) . What could be the structure of compound (A) if neither dissolves in aq. NaHCO_(3) nor gives a characteristic colour with FeCl_(3) ?

Which element of the carbon family does not dissolve in aqueous NaOH to evolve hydrogen gas?

An organic compound (A) (C_(8)H_(8)O_(3)) was insoluble in water, dilute HCI, and NaHCO_(3) . It was soluble in NaOH. A solution of (A) in dilute NaOH was boiled and steam distilled and distillate was reacted with NaOH to give a yellow precipitate. The alkaline residue is acidifield to give a solid (B) (C_(7)H_(6)O_(3)) . (B) dissolves in aqueous NaHCO_(3) with the evolution of gas. Identify (A) and (B).

NTA MOCK TESTS-NTA JEE MOCK TEST 28-CHEMISTRY
  1. Metals which will not evolve H2 gas with dil. HCl are

    Text Solution

    |

  2. The reaction X+Y rarrZ is first order with respect to X and second ord...

    Text Solution

    |

  3. The product of the following reaction is

    Text Solution

    |

  4. The correct order of the ability of the leaving group is

    Text Solution

    |

  5. D - Glucose and D - Mannose are :

    Text Solution

    |

  6. The most basic nitrogen in the following compound is

    Text Solution

    |

  7. 1,3- Pentadiene and 1,-4 - pentadiene are compared with respect to the...

    Text Solution

    |

  8. Which of the following on treatment with hot concentrated acidified KM...

    Text Solution

    |

  9. Terpen - 4 - ol is an active ingredient in tea tree oil has the follow...

    Text Solution

    |

  10. The total work done in the following PV curve is

    Text Solution

    |

  11. The antiseptic action of Dettol is due to

    Text Solution

    |

  12. The vapour pressure of benzene is 53.3 k P(a) at 60.6^(@) but it falls...

    Text Solution

    |

  13. CrO3 dissolves in aqueous NaOH to give

    Text Solution

    |

  14. A 50 ml solution of pH=1 is mixed with a 50 ml solution of pH=2. The p...

    Text Solution

    |

  15. Oxidation states of the metal in the minerals haematite and magnetite ...

    Text Solution

    |

  16. Number of molecules among the following having non - zero dipole momen...

    Text Solution

    |

  17. The given compound exists in polar form in which there is a close loop...

    Text Solution

    |

  18. The metal M crystallizes in a body cantered lattice with cell edge 40 ...

    Text Solution

    |

  19. When the following aldohexose exists in its D-configuration, the total...

    Text Solution

    |

  20. The total number of sigma bonds in the structure of P4O10 is

    Text Solution

    |