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What happens when iron is heated in pres...

What happens when iron is heated in presence of `O_2`?

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PATHFINDER-MOLE AND STOICHIOMETRY-II-QUESTION BANK
  1. In the following reaction (unbalanced) equivalent wt. of As2S3 is rela...

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  2. 60 ml 0.1 M KMnO4 is treated with excess FeC2O4 in presence of H2SO4...

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  3. What happens when iron is heated in presence of O2?

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  4. What volume of 2 N K2Cr2O7 solution is required to oxidise 0.81 g of ...

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  5. 600 ml of a 0.1 (N) solution of AgNO3 is added to 500 mL of 0.1 (N) KC...

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  6. 1.60g of a metal were dissolved in HNO3 to prepare its nitrate. The n...

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  7. A100 ml solution of 0.1 N HCl was titrated with 0.2 N NaOH solution. T...

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  8. What volume of 0.1 M KMnO4 is needed to oxidize 100 mg of FeC2O4 in a...

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  9. The oxidation state of A, B and C in a compound are +2,+5 and -2 respe...

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  10. Which of the following is intermolecular redox reaction?

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  11. In the standardisation of Na2S2O3 using K2 Cr2O7 equivalent wt of K2Cr...

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  12. Equivalent weight of As2S3" in "As2S3+HNO3rarrH2SO4+NO2+H3AsO4+H2O is

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  13. For the reaction : 4CrO5+6H2SO4rarr2Cr2(SO4)3+6H2O+7O2 . Which stateme...

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  14. Titration of I2 produced from 0.1045 g of primary standard KlO3 requir...

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  15. What is wrong about 6.07% strength H2O2 ?

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  16. When BrO3^(-) ion reacts with Br^- ion in acid medium, Br2 is llberate...

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  17. 1 mole of equimolar mixture of Fe2(C2O4)3 and FeC2O4 requires X mole o...

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  18. The oxidation number of Cr is +6 in :

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  19. Dichromate ion in acidic medium oxidizes stannous ion as xSn^(2+)+yCr2...

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  20. " 20 volume" of H2O2 is equal to

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