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I(2)+S(2)O(3)^(2-) to I^(-)+S(4)O(6)^(2-...

`I_(2)+S_(2)O_(3)^(2-) to I^(-)+S_(4)O_(6)^(2-)`

A

For disproportionation reaction.

B

For comproportionation reaction.

C

For either intermolecular redox reaction or displacement reaction

D

For either thermal combination redox reaction or thermal decomposition redox reaction.

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The correct Answer is:
c
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A constant current was flown for 2 hour through a solution of KI At the end of experiment liberated lodlne consumed 21.75 mL of 0.0831 M solution of sodium thiosulphate followihg the reaction: I_(2)+2S_(2)O_(3)^(2-) to 2I^(-) +S_(4)O_(6)^(2-) . What was the aveagre rate of current flow in ampere?

Oxidation and reduction process involves the transaction of electrons. Loss of electrons is oxidation and the gain of electrons is reduction. It is thus obvious that in a redox reaction, the oxidant is reduced by accepting the electrons and the reductant is oxidised by losing electrons. The reactions in which a species disproportionates into two oxidation states (lower and higher) are called disproportionation reactions. In electrochemical cells, redox reaction is involved, i.e., oxidation takes place at anode and reduction at cathode. In the reaction: I_(2)+2S_(2)O_(3)^(2-) to 2I^(-)+S_(4)O_(6)^(2-)

Three different solution of oxidising agents. K_(2)Cr_(2)O_(7),I_(2), and KMnO_(4) is titrated separately with 0.19g of K_(2)S_(2)O_(3) . The molarity of each oxidising agent is 0.1 M and the reaction are: (i). Cr_(2)O_(7)^(2-)+S_(2)O_(3)^(2-)toCr^(3+)+SO_(4)^(2-) (ii). I_(2)+S_(2)O_(3)^(2-)toI^(ɵ)+S_(4)O_(6)^(2-) (iii). MnO_(4)^(ɵ)+S_(2)O_(3)^(2-)toMnO_(2)+SO_(4)^(2-) (Molecular weight of K_(2)S_(2)O_(3)=190,K_(2)Cr_(2)O_(7)=294,KMnO_(4)=158, and I_(2)=254 mol^(-1)) Which of the following statements is/are correct?

In the reaction, I_(2)+2S_(2)O_(3)^(2-) rarr 2I^(-)+S_(4)O_(6)^(2-) . Equivalent wieght of iodine will be equal to

VK JAISWAL-TYPES OF REACTIONS-SUBJECTIVE PROBLEMS
  1. I(2)+S(2)O(3)^(2-) to I^(-)+S(4)O(6)^(2-)

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  2. Find total number of reagnets which cann produce I(2) from KI solution...

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  3. Find total number of metal cations which are ppted as metal sulphide o...

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  5. Which of the following species/reagent can reduce Fe^(3+)(aq.) into Fe...

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  6. Find out number ionic compound(s0 which is/are water insoluble at room...

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  7. Find the value of expression |x-| for following compounds. where, ...

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  8. Find out total number of coloured compound(s) from following: BaCO(3...

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  9. Find out total number of cation(s) that produce precipitate with aqueo...

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  10. P(4)+SOCl(2) overset(Delta)toProducts Find out total number of non-p...

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  11. What is average oxidation state state of sulphur in product formed in ...

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  12. find out total number of coloured/black water insoluble compound(s) fr...

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  13. Find out total number of compounds which on heating undergo redox reac...

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  14. How many following Ammonium salts will evolve N(2) gas on heating? (...

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  15. How many following metals evolve NO (Nitric oxide) gas with dil. HNO(3...

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  16. Find number of basic radicals among the following cations, which can f...

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  18. If hydrolysis of interhalogen compound can be represented by following...

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  19. Total number of species that can be oxidzed by acidic permanganate ion...

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  20. How many following metals evolve N(2)O gas with dil. HNO(3) (20%) Cr...

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