Question

The manufacture of fluorine is done
by:
1) Heating anhydrous HF and MnO2
2) Electrolysis of aqueous HF
3) Electrolysis of anhydrous HF mixed
with KHF2
4) Heating a mixture of KF, MnO2
and
conc.H2SO4

Answer 1

Answer:

4 th one

is

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Answer 2

Answer:

option (2) is the correct answer