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When fluoride is heated with conc. H2 SO...

When fluoride is heated with conc. `H_2 SO_4` and `MnO_2` the gas evolved is

A

`F_2`

B

`SF`

C

`HF`

D

none

Text Solution

Verified by Experts

The correct Answer is:
C
`HF`
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ERRORLESS-THE P -BLOCK ELEMENTS (NITROGEN, OXYGEN, HALOGEN AND NOBLE FAMILY)-NCERT BASED QUESTIONS (Halogen Family)
  1. Which of the following molecule is theoretically not possible ?

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  2. HBr and HI can reduce sulphurie acid, HCI can reduced KMnO(4) and HF c...

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  3. When fluoride is heated with conc. H2 SO4 and MnO2 the gas evolved is

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  4. To purify fluorine gas, fumes of HF are removed by

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  5. The property which is not true about fluorine is

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  6. Which of the following is most easily hydrolysed amongst the following

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  7. Chlorine cannot be used

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  8. Which one is the anhydride of HClO4 ?

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  9. Bleaching powder is obtained by treating chlorine with

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  10. Amongst LiCl, RbCl, BeCl2 and MgCl2, the compounds whith the greatrest...

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  11. Which of the following pairs has bleaching property

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  12. SO2 acts as temporary bleaching agent but Cl2 acts as permanent bleach...

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  13. Which of the following is isolated in pure form

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  14. When cold NaOH reacts with Cl(2) which of the following is formed

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  15. Chlorine acts as a bleaching agent only in the presence of

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

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

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  18. The correct order of increasing hydration energy of the following conj...

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  19. Bromine is liberated when aqueous solution of potassium bromide is tre...

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

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