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The manufacture of fluorine is done by...

The manufacture of fluorine is done by

A

(1) heating anhydrous HF and `MnO_2`.

B

(2) electrolysis of aqueous HF.

C

(3) electrolysis of anhydrous HF mixed with `KHF_2`.

D

(4) heating a mixture of KF, `MnO_2` and conc. `H_2SO_4`.

Text Solution

Verified by Experts

The correct Answer is:
C
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Knowledge Check

  • The main source of fluorine is the mineral

    A
    `Na_(2)AIF_(6)`
    B
    `CaF_(2).3Ca_(3)(PO_(4))_(2)`
    C
    `CaF_(2)`
    D
    `NaF`

  • A molecule of fluorine is formed by :

    A
    the axial p-p orbital overlap
    B
    the sidewise p-p orbital overlap
    C
    the axial s-s orbital overlap.
    D
    the axial s-p orbital overlap.

  • Fluorine is prepared by

    A
    Oxidation of `HF`
    B
    Electrolysis of `KF`
    C
    Electrolysis of fused `KHF_(2)`
    D
    Deomposition of `HgF_(2)`

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    The more activeness of fluorine is due to

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    The high reactivity of fluorine is due to

    Assertion: The electron affinity of chlorine is greater than that of fluorine. Reason: Chlorine is more electronegative than fluorine.

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