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Aqueous solution of Na(2)S(2)O(3) on rea...

Aqueous solution of `Na_(2)S_(2)O_(3)` on reaction with `CI_(2)`, gives

A

`Na_(2)S_(4)O_(6)`

B

`NaHSO_(4)`

C

`NaCl`

D

`NaOH`

Text Solution

Verified by Experts

The correct Answer is:
B
`Na_(2)S_(2)O_(3)+4Cl+5H_(2)O to 2NaHSO_(4)+8HCl`
It destroys the chlorine present in fibres during dyeing. That is why the `Na_(2)S_(2)O_(3)` ia called as anotichlor.
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RESONANCE-P BLOCK ELEMENTS-ALP PART 1 OBJECTIVE
  1. Which of the following will not be oxidised by O(3)?

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  2. Which gas is evolved when PbO(2) is treated with conc HNO(3) ?

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  3. Aqueous solution of Na(2)S(2)O(3) on reaction with CI(2), gives

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  4. Assign a reason for each of the following : (I) SCl(6) is not known ...

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  5. Bismuth is a strong oxidizing agent in the pentavalent state. Or penta...

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  6. H(3)PO(3) is diprotic (or dibasic). Why ?

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  7. How will you account for the following ? Bi(2)O(3) is not acidic in ...

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  8. Give reasons for the following observations : Why SF(4) undergoes hy...

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  9. Why do nitro compounds have high boiling points in comparison with oth...

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  10. Write the structure of the following species :

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  11. Assign a reason for each of the following statements : (i) Ammonia i...

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  12. The electron gain enthalpy with negative sign for oxygen (-141 Kj mol^...

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  13. Bi(V) and Sb(V) which may be a stronger oxidizing agent and why ?

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  14. Complete the following chemical reaction equations : (i)P (4(s)) +Na...

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  15. Account for the following : (i) NH(3) is a stronger base than PH(3) ...

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  16. Though nitrogen exhibits +5oxidation state,it does not form pentahalid...

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  17. (a) Why does NO2 dimerise ? (b) In what way can it be proved that PH...

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  18. Draw the structures of white phosphours and red phosphours. Which one ...

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  19. Complete the following chemical reaction equations : (i) l(2)+HNO(3...

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  20. State reasons for each of the following : (i) "The" N-O "bond in" NO...

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