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The equilibrium Cr(2)O(7)^(2-)hArr 2CrO(...

The equilibrium `Cr_(2)O_(7)^(2-)hArr 2CrO_(4)^(2-)`

A

An acidic medium

B

A basic medium

C

A neutral medium

D

It does not exist

Text Solution

Verified by Experts

The correct Answer is:
B
`Cr_(2)O_(7)""^(-2) overset(OH^(-))underset(H^(+))(hArr) 2CrO_(4)"^(2-)`
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BANSAL-D AND F BLOCK ELEMENTS-Exercise-1 (Single Correct Choice Type)
  1. The highest oxidation state achieved by trantion metal is given by -

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  2. In context of the lanthanoids, which of the following statements is no...

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  3. The equilibrium Cr(2)O(7)^(2-)hArr 2CrO(4)^(2-)

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  4. When the same amount of Zn is treated with excess of H(2)SO(4) and exc...

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  5. (NH(4))(2)Cr(2)O(7)( Ammonium dichromate ) is used in fire works. The ...

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  6. The d-block elements which is a liquid at room temperature, having hig...

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  7. Coinage metals show the properties of

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  8. Cr(2)O(7)^(2-)underset(Y)overset(X)hArr 2CrO(4)^(2-)X and Y are respec...

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  9. CrO(3) dissolves in aqueous NaOH to give:

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  10. An ornament of gold having 75% of gold, is of carat.

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  11. Solution of MnO(4)^(-) is purple-coloured due to :

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  12. Transition elements having more tendency to form complex than represen...

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  13. uarr Y(g)overset(KI)(larr)CuSO(4)overset(dilH(2)SO(4))(rarr)X(Bluecolo...

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  14. The actinoids exhibit more number of oxidation states in general than ...

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  15. x,y and z are respectively

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  16. underset(("bot"))(Cu+conc.HNO(3))toCu(NO(3))(2)+X (oxide of nitrogen...

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  17. Pick out the incorrect statement:

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  18. The metals present in insulin and haemoglobin are respectively:

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  19. Metre scales are madeup of alloy:

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  20. A metal M which is not affected by strong acids like conc. HNO(3),conc...

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