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The number of moles of thiosulphate (S(2...

The number of moles of thiosulphate (`S_(2)O_(3)^(2-)` ) that will required to react completely with one mole I2 in alkaline medium (where it gets oxidised to `SO_(4)^(2-)` ) is :

A

`1//4`

B

4

C

8

D

`1//8`

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The correct Answer is:
A
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MOTION-OXIDATION & REDUCTION -EXERCISE-2 ( LEVEL-I)
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  2. In the following reaction (unbalanced), equivalent weight of As(2)S(3)...

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  4. In the reduction of dichromate by Fe(II), the number of electrons invo...

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  5. 1 mol of ferric oxalate is oxidised by x mol of MnO(4)^(-) and also 1 ...

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  6. How many ml of 0.150M Na(2)CrO(4) will be required to oxidize 40 ml of...

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  7. The number of moles of thiosulphate (S(2)O(3)^(2-) ) that will require...

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  8. 3 " mol of "a mixture of FeSO(4) and Fe(2)(SO(4))(3) requried 100 " mL...

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  9. How many equivalents are there per mole of H(2)S in its oxidation to S...

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  10. If equal volumes of 0.1 M KMnO(4) and 0.1 M K(2)Cr(2)O(7) solutions ar...

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  11. 20 ml of 0.1 M solution of metal ion reacted with 20 ml to 0.1 M SO(2)...

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  12. 0.7 g " of " Na(2)CO(3).xH(2)O were dissolved in water and the volume ...

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  13. When one gram mole of KMnO(4) is mixed with hydrochlroic acid then, th...

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  14. 10.78 g of H3 PO4 in 550 ml solution is 0.40 N. Thus this acid:

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  15. When 0.75 gm of a substance was kjeldalised, it produced NH(3). Which ...

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  16. Mass of KHC(2)O(4) (potassium acid oxalate) required to reduce 100 ml ...

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  17. 100mL of 1M KMnO(4) oxidised 100mL of H(2)O(2) in acidic medium ( when...

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  18. 15 mol of KMnO(4) are treated with excess H(2)C(2)O(4) in H(2)SO(4) me...

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  19. An equimolar mixture of NaHC(2)O(4) and H(2)C(2)O(4) consumes 20 ml 0....

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  20. A solution of 10 ml M/10 FeSO(4) war titrated with KMnO(4) solution in...

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