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Colour of iodine solution is disappeared...

Colour of iodine solution is disappeared by shaking it with aqueous solution of

A

`H_2 SO_4`

B

`Na_2 S`

C

`Na_2 S_2 O_3`

D

`Na_2 SO_4`

Text Solution

Verified by Experts

The correct Answer is:
C
`2Na_(2)S_(2)O_(3)+I_(2) to 2Nal+Na_(2)S_(4)O_(6)`
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ERRORLESS-THE P -BLOCK ELEMENTS (NITROGEN, OXYGEN, HALOGEN AND NOBLE FAMILY)-NCERT BASED QUESTIONS (Halogen Family)
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  2. In the manufacture of bromine from sea water the mother liquor contain...

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  3. A one litre flask is full of brown bromine vapours. The intensity of b...

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  4. Bromine water reacts with SO(2) to form

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  5. The solubility of iodine in water increases in the presence of

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  6. When thiosulphate ion is oxidised by iodine. which one of the followin...

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  7. Colour of iodine solution is disappeared by shaking it with aqueous so...

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  8. In K solution, I(2) readily dissolved and forms

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  9. HI cannot be prepared by the action of conc. H(2)SO(4) on KI because

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  10. When iodine is passed through aqueous solutions of NaF, NaBr and NaCl

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  11. If I2 is dissolved in aqueous KI, the intense yellow species I3^ is fo...

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  12. Conc. HNO3 reacts with I2 to form:

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  13. Cl(2) reacts with CS(2) in presence of I(2) catalyst to form

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  14. Ozone with dry iodine give

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  15. Iodine is formed when potasium iodide reacts with:

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  17. The pKa of oxoacids of chlorine in water follows the order

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  18. Chlorine has two naturally occuring isotopes, ""^(35)Cl " and " ""^(3...

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  19. The lattice energies of NaCl, NaF, KCl and RbCl follow the order

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  20. Which of the following statements is not ture for halogens?

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