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Which of the following is isolated in pu...

Which of the following is isolated in pure form

A

`HClO_4`

B

`HClO_3`

C

`HClO_2`

D

`HClO`

Text Solution

Verified by Experts

The correct Answer is:
A
HClO decomposes to give `Cl_(2)` and water. `HClO_(2)` undergoes auto-oxidation to give HClO and `HClO_(3)` . `HClO_(3)` is stable only in dark. In presence of light, it releases chlorine and thereby acts as oxidising agent. `HClO_(4)` is very stable one, hence obtained in pure form.
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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. SO2 acts as temporary bleaching agent but Cl2 acts as permanent bleach...

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  6. NaOCI is used as a bleaching agent and sterllising agent. It can be sy...

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  7. Bleaching powder loses its power on keeping for a long time because

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  10. In the manufacture of bromine from sea water the mother liquor contain...

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

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

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

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

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

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

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

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  20. Conc. HNO3 reacts with I2 to form:

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