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Which one of the following ions will exh...

Which one of the following ions will exhibit colour in aqueous solutions

A

`Mn^(3+)`

B

`Cr^(3+)`

C

`V^(3+)`

D

`Ti^(3+)`

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MODERN PUBLICATION-d-AND f- BLOCK ELEMENTS-EXERCISE
  1. Which one of the following ions will exhibit colour in aqueous solutio...

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  2. The number of moles of KMnO4 that will be needed to react with one ...

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  3. Which one of the following ions will exhibit colour in aqueous solutio...

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  4. The correct order of decreasing second ionisation enthalpy of Ti (22),...

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  5. Which of the 3d-series of transition elements exhibits the largestn nu...

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  6. Which one of the following ions will exhibit colour in aqueous solutio...

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

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  8. Acidified K2Cr2O7 solution turns green when Na-2SO3, is added to it. T...

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  9. Draw lewis structure of H2S

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  10. Which of the following statements is not true?

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  11. Which of the following does not give oxygen on heating ?

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  12. Which of the following lanthanoid ions is diamagnetic ? (At. nos. Ce...

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  13. Reason of lanthanoid contraction is :

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  14. The reaction of acidified KMnO4 with H2O2 gives .

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  15. The pair of compounds that cannot exist together is :

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  16. Magnetic moment of 5.92 B.M. is given by which of the following ion ...

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  17. Gadolinium belong to 4 f series (Z=64). Which of the following is its ...

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  18. Because of lanthanoid contraction, which of the following pairs of ele...

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  19. Which one of the following statement is correct when SO2 is passed thr...

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  20. The outer shell electronic configuration of Gd (Z = 64) is

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