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What mass of H2C2O4. 2H2O (mol.mass=126)...

What mass of `H_2C_2O_4. 2H_2O` (mol.mass`=126`) should be dissolved in water to prepare `250mL` of centinormal solution which act as a reducing agent ?

A

0.63g

B

0.1575g

C

0.126g

D

0.875g

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The correct Answer is:
B
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NARENDRA AWASTHI-STOICHIOMETRY-Level 1 (Q.151 To Q.180)
  1. What mass of H2C2O4. 2H2O (mol.mass=126) should be dissolved in water ...

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  2. The equivalent weight of salt KHC(2)O(4).H(2)C(2)O(4).4H(2)O when us...

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  3. A bivalent metal has 37.2 equivalent weight. The molecular weight of i...

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  4. When BrO3^- ion reacts with Br^- in acid medium, Br2 is liberated. The...

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  5. If MA gram of metal A displaces mB gram of another metal B from its s...

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  6. Hydrazine reacts with KIO(3) in presence of HCl as : N(2)H(4)+IO(3)^...

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  7. What will be the normality of solution obtained by mixing 0.45 N and 0...

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  8. A solution containing 2.68 xx 10^(-3) mol of A^(n+) ions requires 1....

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  9. H(2)O(2) is used as bleaching reagent because on dissociation it gives...

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  10. 1.25g of a solid dibasic acid is completely neutralised by 25mL of 0.2...

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  11. 5 ml of 1N HCl, 20 ml of N/2 H2SO4 and 30 ml of N/3 HNO3 are mixed tog...

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  12. 0.45g of an acid of mol. Mass 90 was neutralised by 20mL of 0.54 N cau...

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  13. .4 sample of H(2)O(2) solution containing H(2)O(2) by weight requires ...

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  14. Balance the equation : SO(2) + Na(2)CrO(4) + H(2)SO(4) rarr Na(2)SO(...

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  15. A sample of 1.0g of solid Fe(2)O(3) of 80% purity is dissolved in a mo...

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  16. Coefficients of MnO(4)^(-), C(2)O(4)^(2-) and H^(+) in the balanced re...

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  17. Ratio of moles of Fe (II) oxidised by equal volumes of equimolar KMnO4...

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  18. The mass of a mixture containing HCl and H2 SO4 is 0.1g On treatment w...

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  19. A solution of Na(2)S(2)O(3) is standardized iodometrically against 0.1...

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  20. 0.80g of impure (NH(4))(2) SO(4) was boiled with 100mL of a 0.2N NaOH ...

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