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In the reaction : CrO(4)^(2-) + X to ...

In the reaction :
`CrO_(4)^(2-) + X to Cr_(2)O_(7)^(2-)` X is

A

`OH^(-)`

B

`H_(2)O`

C

`H^(+)`

D

`O_(2)`

Text Solution

Verified by Experts

The correct Answer is:
C
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MODERN PUBLICATION-CHEMISTRY OF D-AND F-BLOCK ELEMENTS-Multiple Choice Questions (Level-II)
  1. In a reaction K(2)MnO(4) is converted into KMnO(4) The change in the ...

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  2. The stable oxidation state of Ce (Z = 58) is

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  3. In the reaction : CrO(4)^(2-) + X to Cr(2)O(7)^(2-) X is

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  4. In which of the following pairs, the atomic size is almost the same ?

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  5. Which of the following statement is not correct ?

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  6. In the standarization of Na(2)S(2)O(3) using K(2)Cr(2)O(7) by iodome...

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  7. In the preparation of KMnO(4) pyrolusite (MnO(2)) is first converted t...

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  8. When I^(-) is oxidised by MnO(4)^(-) is alkaline medium. I^(-) convert...

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  9. IN which of the following pairs, both the ions are coloured in aqueous...

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  10. Which one of the following ions is the most stable in aqueous solution...

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  11. Which of the following ions has a magnetic moment of 5.93 BM ?

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  12. The maximum oxidation state exhibited by actinide ions is :

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  13. Among the oxides Mn(2)O(7) (I), V(2)O(3) (II), V(2)O(5) , (III) CrO (I...

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  14. Which of the following pairs has the same size ?

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  15. All Cu(II) halides are known except the iodide. The reason for is that

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  16. The transition metal ion that has 'spin-only' magnetic moment value of...

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  17. The yellow precipitate formed during the chromyl chloride test in chem...

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  18. By passing Na2SO(3) to the solution of K(2)Cr(2)O(7), it turns green d...

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  19. For the four successive transition elements [Cr, Mn, Fe and CO) the st...

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  20. Which of the following statements is not true ?

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