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Most of the elementary gases are obtaine...

Most of the elementary gases are obtained by chemical reaction of their compounds for example chlorine is obtained by allowing `KMnO_4` to react with hydrochloric acid. Fluorine however can be obtained only by the electrolysis of a fluoride this is because

A

Fluorine is a highly reactive gas

B

Fluorine is the strongest chemical oxidising agent

C

Fluorine is highly poisonous

D

It is easy to electrolyse a fluoride

Text Solution

Verified by Experts

The correct Answer is:
B
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MBD PUBLICATION-p-BLOCK ELEMENTS-QUESTION BANK
  1. Bleaching powder is obtained by the interaction of Cl2 with a

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  2. Which can oxidise Br^- to Br2

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  3. Most of the elementary gases are obtained by chemical reaction of thei...

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  4. Which element is extracted commercially by the electrolysis of an aque...

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  5. Hydrofluoric acid is not preserved in glass bottles because

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  6. In case of halogen family which trend occurs as the atomic number incr...

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  7. Which reaction cannot be ussed for the preparation of the halogen acid

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  8. The formula of hyphochlorous acid is HClO the formula for calcium hypo...

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  9. Which reaction yields the greatest quantity of chlorine from a given q...

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  10. Pure HBr gas may be obtained by heating sodium bromide with syrupy pho...

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  11. Two pungent smelling gases bleach a certain sbstances. The gases may b...

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  12. Which chemical contains chlorine

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  13. I 2 readily dissolve in KI solution giving

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  14. Halogen used as an antiseptic is:

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  15. Which of the following are pseudohalides:

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  16. Which one is the anhydride of HClO4

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  17. Which is chemically most active non-metal

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  18. Boiling of dil. HCl acid does not increases its concentration beyond 2...

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  19. Mark the wrong statement. Halogens are all coloured

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  20. Which has the highest heat of vaporisation

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