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The equilibrium Cr(2)O(7)""^(2-)hArr2C...

The equilibrium
`Cr_(2)O_(7)""^(2-)hArr2CrO_(4)""^(2-)` is shifted to right in-

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
Shifted to right in basic medium
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The equilibrium Cr_(2)O_(7)^(2-)hArr 2CrO_(4)^(2-)

Following ions are equilibrium at Cr_(2) O_(7)^(2-) hArr CrO_(4)^(2-)

K_(2)Cr_(2)O_(7)+NaoH to CrO_(4)^(2-)

The [CrO_(4)^(2-)] ions are equilibrium for the reaction, Cr_(2)O_(7)^(2-)+H_(2)Oharr2CrO_(4)^(2-)+2H^(+), "at" pH=4 is:

MARVEL PUBLICATION-D AND F BLOCK ELEMENTS -TEST YOUR GRASP
  1. The equilibrium Cr(2)O(7)""^(2-)hArr2CrO(4)""^(2-) is shifted to rig...

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  2. The number of transition series in the periodic table are

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  3. What is the general electronic configuration of transition elements

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  4. Each transition series contains only 10 elements because

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  5. Which one of the following refers to configuration of transition elem...

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  6. The outer electronic configuration of chromium is

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  7. Which of the following does NOT show different oxidation states?

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  8. Calculate the oxidation number of Mn in KMnO(4) molecule.

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  9. The properties of transition metals are in between the properties of ...

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  10. Which transition metal shows the highest oxidation state ?

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  11. Which of the following would be diamagnetic?

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  12. The element present immediately below Zn in the periodic table in the ...

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  13. Oxidation state of +1 is possible with

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  14. For Sc (2 1), if both 3d and 4s electrons in involved in bonding, the ...

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  15. Which one of the following forms a colourless solution in aqueous medi...

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  16. Which of the following group belongs to transition series ?

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  17. In transition elements, the differentiating electron enters into subs...

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  18. Which of has the highest number of unpaired electrons?

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  19. The range of wavelength of the visible light is

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  20. Which of the following salt give coloured aqueous solution ?

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  21. Sulphide ore of Zinc is

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