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The manufature of fluorine is done by :...

The manufature of fluorine is done by `:`

A

heating anhydrous HF and `MnO_(2)`

B

electrolysis of aqueous HF

C

electrolysis of anhydrous HF mixed with `KHF_(2)`

D

heating a mixture of KF, `MnO_(2)` and conc. `H_(2)SO_4`

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The correct Answer is:
C
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Knowledge Check

  • Assertion : The oxidation number of fluorine in all its compounds is always -1 Reason : Fluorine is a highly reactive element .

    A
    If both Assertion and Reason are CORRECT and Reason is the CORRECT explanation of the Assertion.
    B
    If both Assertion and Reason are CORRECT but Reason is not the CORRECT explanation of the Assertion.
    C
    If Assertion is CORRECT but Reason is INCORRECT.
    D
    If Assertion is INCORRECT but Reason is CORRECT.
    • RESONANCE ENGLISH-P BLOCK ELEMENTS-SINGLE CHOICE TYPE
    1. The manufature of fluorine is done by :

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    2. Which halogen oxidises water to liberate oxygen exothermally ?

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    3. Fluorine is obtained by the interaction of K2MnF6 with Lewis acid SbF5...

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    4. Which of the following statements is true

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    5. An easy way of obtaining Cl2 gas in the laboratory is :

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    6. The catalyst used in the Deacon's process for the manufacture of chlor...

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    7. When chlorine reacts with turpentine oil, the product formed is

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    8. Which electrolyte is used in Dennis method for the prepartion of fluor...

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    9. A dark violet solid X reacts with NH3 to form a mild explosive which d...

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    10. Chlorine is liberated, when we heat

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    11. Which of the following does not decolouries iodine ?

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    12. In the reaction : 3Br(2)+6CO(3)^(2-)+3H(2)Orarr5Br^(-)+BrO(3)^(-)+6H...

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    13. A greenish yellow gas reacts with an alkali metal hydroxide to form a ...

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    14. The reaction of KMnO(4) and HCI results in:

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    15. Which halogen liberates oxygen, when passed through hot concentrated K...

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    16. Assertion: Conc. H(2)SO(4) cannot be used to prepare pure HBr from NaB...

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    17. Which of the following gases can be dried by conc. H2SO4 ?

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    18. ClO(2) reacts with water and alkali to give:

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    19. Which of the following is not the characteristic of interhalogen compo...

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    20. When chlorine is bubbled through aqueous solution of potassium iodide,...

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