In the isolation of fluorine , a number of difficulties were encountered. Which statement is correct `:`

Options

A. The potential requied for the discharge of the fluoride ions is the lowest
B. Fluroine reacts with most glass vessels
C. Electrolysis of aqueous HF gives ozonized oxygen
D. Electron affinity of F is highest

Answer

A, B, C

Explanation

(a) The potential required for the discharge of the fluoride ions is the lowest
(b) Fluorine reacts with most glass vessels.
(c ) Electrolysis of aqueous HF gives ozonized oxygen.