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A 1 g sample of Fe(2)O(3) solid of 55.2%...

A `1 g` sample of `Fe_(2)O_(3)` solid of `55.2%` purity is dissolved in acid and reduced by heating the solution with zinc dust. The resultant solution is cooled and made upto `100 mL`. An aliquot of `25 mL` of this solution requires `17 mL` of `0.0167M` solution of an oxidant for titration. Calculate no.of electrons taken up by oxidant in the above titration.

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AAKASH INSTITUTE-REDOX REACTIONS-Assignment (Section I) (Subjective Type Questions)
  1. Balance the chemical equation by the oxidation number method. (ix) ...

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  2. Balance the following equation by oxidation number method K(2)Cr(2)O...

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  3. Balance the following reaction by the oxidation number method - MnO(...

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  4. Balance the equation by lon-electron method (ii) MnO(4)^(-) + H(2)C(...

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  5. Balance the equation by lon-electron method (iii) Cu^(2+) + SO(2) to...

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  6. Balance the equation by lon-electron method (iv) N(2)O(4) + BrO(3)^(...

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  7. Balance the equation by lon-electron method (v) Br^(-) + BrO(3)^(-) ...

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  8. Balance the equation by lon-electron method (vi) Cl(2) +OH^(-) to S^...

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  9. Balance the equation by lon-electron method (vii) S+ OH^(+) to S^(2-...

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  10. Balance the equation by lon-electron method (viii) Al + NO(3)^(-) to...

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  11. Balance the equation by lon-electron method (ix) Cr(2)O(7)^(2-) + Fe...

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  12. Balance the equation by lon-electron method (x) Fe(3)O(4) + MnO(4)^(...

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  13. 2.68xx10^(-3) moles of solution containing anion A^(n+) require 1.61xx...

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  14. The weight of MnO(2) and the volume of HCl of specific gravity 1.2 g m...

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  15. What is the weight of sodium bromate and molarity of solution to prepa...

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  16. 5.7 g of bleaching powder was suspended in 500 mL of water. 25 mL of t...

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  17. Borax in water gives B(4)O(7)^(2-)+7H(2)O rarr 4H(3)BO(3)+2OH^(-) ...

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  18. 1 g sample of AgNO(3) is dissolved in 50 mL of water, It is titrated w...

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  19. A solution contains Na(2)CO(3) and NaHCO(3). 10 mL of the solution req...

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  20. A 1 g sample of Fe(2)O(3) solid of 55.2% purity is dissolved in acid a...

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