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How many gm of K(2)Cr(2)O(7) is present ...

How many gm of `K_(2)Cr_(2)O_(7)` is present in 1 L of its N/10 solution in acid medium ?

A

4.9

B

49

C

0.49

D

3.9

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A
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AAKASH INSTITUTE-REDOX REACTIONS-Assignment (Section B) (Objective type Questions (one option is correct))
  1. What is the difference in oxidation state of nitrogen in between hydro...

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  2. In which one of the following changes there are transfer of five elect...

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  3. How many gm of K(2)Cr(2)O(7) is present in 1 L of its N/10 solution in...

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  4. When Cu(2)S is converted into Cu^(2+) & SO(2) then equivalent weight o...

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  5. Which of the following changes involve reduction ?

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  6. FeS to Fe^(3+) + SO(3) Eq. wt. of FeS for this change is (mol. Wt....

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  7. The reaction Cl(2) + S(2)O(3)^(2-) + OH^(-) to SO(4)^(2-) + Cl^(-)...

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  8. The number of moles of KMnO(4) that will be needed to react completely...

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  9. 200 ml of 0.01 M KMnO(4) oxidise 20 ml of H(2)O(2) sample in acidic me...

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  10. If equal volumes of 1 M KMnO(4) and 1M K(2)Cr(2)O(7) solutions are all...

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  11. 4 mole of a mixture of Mohr's salt and Fe(2)(SO(4))(3) requires 500mL...

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  12. What volume of 3 molar HNO(3) is needed to oxidise 8 g of Fe^(3+), HNO...

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  13. The stoichiometric coefficient of S in the following reaction H(2)...

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  14. 12.53 mL of 0.0509MSeO(2) reacted with 25.52 mL 0.1M CrSO(4) solution....

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  15. A sample of NaHCO(3) + Na(2)CO(3) required 20 ml of HCl using phenolph...

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  16. A sample of FeSO(4) and FeC(2)O(4) is dissolved in H(2)SO(4) . The com...

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  17. The equivalent mass of MnSO(4) is half its molecular mass when it is c...

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  18. In the titration of NaHCO(3) with HCl, indicator cannot be used

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  19. Equivalent weight of Mohr salt in the titration with KMnO(4) is (M-Mol...

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  20. 100 ml of each HCl solution having pH=5 and NaOH having pH=8 is mixtur...

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