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What happen when a solution of potassium...

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

A

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

B

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

C

`CerO_(4)^(2-)` is reduced tp `+3` state of Cr

D

None of the above

Text Solution

Verified by Experts

The correct Answer is:
B
`2CrO_(4)^(2-)+2H^(+)rarrCr_(2)O_(7)^(2-)+H_(2)O`
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MHTCET PREVIOUS YEAR PAPERS AND PRACTICE PAPERS-D - AND F-BLOCK ELEMENTS-Exercise 2 (Miscellaneous Problems)
  1. Which of the following statement (s) is/are correct when a mixture of ...

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  2. When KMnO(4) solution is added to hot oxalic acid solution, the decolo...

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  3. What happen when a solution of potassium chromate is treated with an e...

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  4. When SO(2) is passed through an acidified K(2)Kr(2)O(7) solution, the ...

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  5. The catalytic of the transition metals and their compounds is describe...

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  6. Select the correct order of oxidising power in acidic medium.

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  7. Magnetic moment of maganese in (NH(4))(2) MnBr(2) is

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  8. Pick out the correct statements from the following. (I) Cobalt (III...

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  9. Which pair of compounds is expected to show similar colour in aqueous ...

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  10. Match the following columns.

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  11. Cr(2)O(7)^(2-)overset(pH=x)rarrCrO(4)^(2-)overset(pH=y)rarrCr(2)O(7)^(...

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  12. Consider the following statements, A. Colour of a transition metal ...

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  13. When a magnetic field is applied to substances, mainly two type of mag...

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  14. Match the properties given in Column I with the metals given in Column...

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  15. The ion Cr^(2+) is redusing agent while that of Mn^(3+) is an oxidisin...

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  16. Which of the following statement (s) is /are correct? (I) CuS is wh...

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  17. Cuprous ion is colourless, while cupric ion is colured because

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  18. The oxidation number of Mn in the product of alkaline oxidative fusion...

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  19. The 3d-metal ion are generally paramagnetic in nature because

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  20. the caculated magnetic moment of a divalent ion of an atomic number 2...

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