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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 in acidic solution is :

A

`2//5`

B

`3//5`

C

`4//5`

D

1

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The correct Answer is:
A
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MODERN PUBLICATION-CHEMISTRY OF D-AND F-BLOCK ELEMENTS-Multiple Choice Questions (Level -I) Transition metal compounds and their Characteristics
  1. Kl and CuSO(4) solutions when mixed give :

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  2. Ammonium dichromate is used in fireworks. The green coloured blown in ...

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

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  4. Silica is added to roasted copper ore during smelting in order to remo...

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  5. Iron is rendered passive when treated with conc. :

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  6. The principal oxidation state of lanthanides is :

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  7. The lanthanoid contraction refers to :

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  8. Which of the following is not correct ?

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  9. Which of the following ions is paramagnetic ?

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  10. The separation of landthanoids in ion exchange method is based on :

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  11. which of the following has the smallest ionic radius ?

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  12. Zr and Hf have almost identical atomic radii. Give reason.

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  13. The colour of lanthoanoids and actinoids is due to :

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  14. Which of the following has tendency to act as an oxidising agent ?

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  15. Which of the following pairs has almost same colours ?

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  16. Which of the following good oxidising agent ?

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  17. The major component of alloys of lanthanides is

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  18. The lanthanide contraction is responsible for the fact that

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  19. The electronic configuration of terbium (IV) (At no. 65) is

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  20. Which of the following ions will exhibit colour in aqueous solutions ?

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