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AgI darr+2Na(2)S(2)O(3) to Na(3)[Ag(S(2)...

`AgI darr+2Na_(2)S_(2)O_(3) to Na_(3)[Ag(S_(2)O_(3))_(2)]+NaI`

A

For precipitate formation reaction

B

For precipitate dissolution reaction

C

For precipitate exchange reaction

D

For no reaction

Text Solution

Verified by Experts

The correct Answer is:
b
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Maximum mole of Na_(4)[Cu_(6)(S_(2)O_(3))_(5)] which can be produced by 6 moles of CuSO_(4) and 10 moles of Na_(2)S_(2)O_(3) using following series of reaction- CuSO_(4)+Na_(2)S_(2)O_(3) to CuS_(2)O_(3)+Na_(2)SO_(4) 2CuS_(2)O_(3)+Na_(2)S_(2)O_(3) to Cu_(2)S_(2)O_(3)+Na_(2)S_(4)O_(6) 3Cu_(2)S_(2)O_(3)+2Na_(2)S_(2)O_(3) to Na_(4)[Cu_(6)(S_(2)O_(3))_(5)] Fill your answer to nearest integer.

632 g of sodium thiosulphate (a_(2)S_(2)O_(3)) reacts with copper sulphate to form cuproc thiosulphate which is reduced by sodium thiosulphate to give cuprous compound which is dissolved in excess of sodium thiosulphate to form a complex compound sodium cuprothisosulphate (Na_(4)[Cu_(6)(S_(2)O_(3))_(5)]) , (MW=1033) CuSO_(4) + Na_(2)S_(2)O_(3) rarr CuS_(2)O_(3) + Na_(2)SO_(4)" " [very fast] 2CuSO_(4)+Na_(2)S_(2)O_(3)+Na_(2)S_(2)O_(3) rarr Cu_(2)S_(2)O_(3) + Na_(2)S_(4)O_(6) 3Cu_(2)S_(2)O_(3) + 2Na_(2)S_(2)O_(3) rarr Na_(4)[Cu_(6)(S_(2)O_(3))_(5)] " " (Sodium cuprothisoulphate ) In this process , 0.2 mole of sodium cuprothiosulphate is formed .(O=16 , Na=23 , S=32) It instead of given amount of sodium thiosulphate, 2 moles of sodium thiosulphate along with 3 moles of CuSO_(4) were taken initially . Then, moles of sodiu cuprothiosulphate formed is:

632 g of sodium thiosulphate (a_(2)S_(2)O_(3)) reacts with copper sulphate to form cuproc thiosulphate which is reduced by sodium thiosulphate to give cuprous compound which is dissolved in excess of sodium thiosulphate to form a complex compound sodium cuprothisosulphate (Na_(4)[Cu_(6)(S_(2)O_(3))_(5)]) , (MW=1033) CuSO_(4) + Na_(2)S_(2)O_(3) rarr CuS_(2)O_(3) + Na_(2)SO_(4)" " [very fast] 2CuSO_(4)+Na_(2)S_(2)O_(3)+Na_(2)S_(2)O_(3) rarr Cu_(2)S_(2)O_(3) + Na_(2)S_(4)O_(6) 3Cu_(2)S_(2)O_(3) + 2Na_(2)S_(2)O_(3) rarr Na_(4)[Cu_(6)(S_(2)O_(3))_(5)] " " (Sodium cuprothisoulphate ) In this process , 0.2 mole of sodium cuprothiosulphate is formed .(O=16 , Na=23 , S=32) Moles of sodium thiosulophate reacted and unreacted after the reaction are respectively,

Na_(2)S_(2)O_(3)+BaCl_(2) to BaS_(2)O_(3)darr+2NaCl

VK JAISWAL-TYPES OF REACTIONS-SUBJECTIVE PROBLEMS
  1. AgI darr+2Na(2)S(2)O(3) to Na(3)[Ag(S(2)O(3))(2)]+NaI

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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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  4. Consider the following reaction P(4)+KOH to PH(3)+X How many P-H bon...

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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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  17. Calculate difference between oxidation state of chromium (Cr) in blue ...

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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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  21. How many following ammonium salts will evolve NH(3) gas on heating? ...

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