Question

Which of the following is used during the preparation of fluorine by Whytlaw-Gray method ?

• A. aqueous KF
• B. aqueous HF
• C. molten $KH{F}_2$
• D. $N{H}_{4}F$

Answer 1

Answer: (C)

In Whytlaw Gray method for the preparation of $F_2$, molten $KH{F}_2$ is used as an electrolyte.