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The number of moles of KMnO4 that will b...

The number of moles of `KMnO_4` that will be needed to react with
one mole of sulphite ion acidic solution, is

A

1

B

`3//5`

C

`4//5`

D

`2//5`

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

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

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

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

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

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

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

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

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  10. Draw lewis structure of H2S

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  11. Which of the following statements is not true?

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

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

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  14. Reason of lanthanoid contraction is :

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  15. The reaction of acidified KMnO4 with H2O2 gives .

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

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

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

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

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

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