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KMnO(4)+H(2)O(2) rarr Mn^(2+)-O(2)...

`KMnO_(4)+H_(2)O_(2) rarr Mn^(2+)-O_(2)`

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Mn in `KMnO_(4)` is going from +7 to +2, so change in oxidation number per molecule of `KMnO_(4)` is 5. So the valency factor of `KMnO_(4)` is 5 and equivalent weight is `(M)/(5)`.
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RESONANCE-EQUIVALENT CONCEPT & TITRATIONS-Part -IV
  1. KMnO(4)+H(2)O(2) rarr Mn^(2+)-O(2)

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  2. Volume V(1)mL of 0.1 M K(2)Cr(2)O(7) is needed for complete oxidation ...

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  3. Hg(5)(IO(6))(2) oxidizes KI to I(2) in acid medium and the other produ...

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  4. 10 mL of 1 NHCl is mixed with 20 mL of 1MH(2)SO(4) and 30 mL of 1M NaO...

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  5. 20ml ofH(2)O(2) after acidification with dilute H2SO(4)required 30mlof...

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  6. x gram of pure As(2)S(3) is completely oxididsed to respective highest...

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  7. During the titration of a mixture of Na(2)CO(3) and NaHCO(3) against H...

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  8. In the reaction CrO(5) + H(2)SO(4)rarr Cr(2)(sO(4))(3)+H(2)O+O(2), one...

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  9. Consider the redox reaction 2S(2)O(3)^(2-)+I(2)rarrS(4)O(6)^(2-)+2I^...

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  10. Which of the following relations is/are correct for solutions ?

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  11. Which of the following statements is/are correct :

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  12. H(2)C(2)O(4) and NaHC(2)O(4) behave as acids as well as reducing agent...

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  13. Consider the reactions shown below : Which of the follwoing state...

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  14. A 3 mole mixture of FeSO(4) and Fe(2)(SO(4))(3) required 100 mL of 2M ...

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  15. A 7.1 g sample of bleaching powder suspended in H(2)O was treated with...

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  16. If the number of N-atoms in 1 molecule of Hyponitrous acid is x and th...

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  17. Find the valency factor (n) for NH(2)OH in given reaction : Fe^(3+)+...

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  18. A solution of Na(2)S(2)O(3) is standardised iodometrically against 3.3...

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  19. 2 moles of a mixture of O(2) and O(3) is reacted with excess of acidi...

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  20. The overall equation for the reaction between sodium carbonate solutio...

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  21. The overall equation for the reaction between sodium carbonate solutio...

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