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In this reaction: S(2)O(8)^(2-)+2I^(-) t...

In this reaction: `S_(2)O_(8)^(2-)+2I^(-) to 2SO_(4)^(2-)+I_(2)`

A

oxidation of iodide into iodine takes place

B

reduction of iodine into iodide takes place

C

both oxidation and reduction of iodine takes place

D

None of these

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The correct Answer is:
A
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The experiment rate law for the reaction S_(2)O_(8)^(2-)(aq) + 2I^(ɵ)(aq) rarr 2SO_(4)^(2-) (aq) + I_(2)(aq) is k[S_(2)O_(8)^(2-)] [I^(ɵ)] . How would the rate change if (a) Concentration of S_(2)O_(8)^(2-) is halved. (b) Concentration of S_(2)O_(8)^(2-) and I^(ɵ) are halved.

Assertion : In the reactin, 2S_(2)O_(3)^(2-)+I_(2) to S_(4)O_(6)^(2-) + 2I^(-): I_(2) is oxidised. Reason : During oxidation, loss of electron takes place.

In the reaction 2I^(-) + S_(2)O_(8)^(2-) rarr I_(2) + 2SO_(4)^(2-) the catalyst is (A) Fe^(+3) (B) Mn^(+2) (C) Cu^(+2) (D) Ni^(+2)

OP TANDON-OXIDATION AND REDUCTION (REDOX REACTIONS)-Self assignment
  1. In this reaction: S(2)O(8)^(2-)+2I^(-) to 2SO(4)^(2-)+I(2)

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  2. The oxidation state of chromium in chromoium trioxide is:

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  3. For the reaction between KMnO(4) and H(2)O(2). The number of electrons...

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  4. In the ions equatio, BrO(3)^(-) + 6H^(+) + xe^(-) rarr Br^(3+) + 3H(2)...

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  5. In [Cr(O(2))(NH(3))(4)H(2)O]Cl(2) oxidation number of Cr is +3 then ox...

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  6. In the reaction, CrO(5)+SnCl(2) to CrO(4)^(2-) +SnCl(4),the element un...

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  7. Equivalent mass of KMnO(4) in acidic basic and netural are in the rati...

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  8. A compound of Xe and F is found to have 53.5% Xe. What is the oxidatio...

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  9. Peroxide ions are present in

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  10. The metals undergoing disproportion are:

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  11. The non-metals undergoing disportionation are:

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  12. Which of the following can act as oxidising as well as reducing agent?

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  13. The compound that can work both as an oxidising as well as reducing ag...

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  14. The species that contain peroxide ions are:

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  15. Statement-1:Spector ions are the species that are present in the solut...

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  16. Statement-1: Spectator ions are the species that are presetnt in the s...

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  17. Statement-1: Oxidation number of carbon in HCN is +2. Because Stat...

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  18. Statement-I: Bromide ion nets as a reducing agent in the reaction, 2...

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  19. Statement-1: Oxidation number of carbon in HCHO is zero. Because S...

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  20. Matche the Column-I with Column-II

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