`XeF_(6)` dissolves in anhydrous `HF` to give a good conducting solution which contains:

A monoatomic gas reacts with fluorine to form a fluoride which dissolve in HF to give a conducting solution. The fluoride is

XeF_(6) + HF to

Alkali metals dissolve in ammonia to give a blue solution which is conducting due to

Substance which give good conducting aqueous solution are called :

Chromyl chloride when dissolves in NaOH solution gives yellow solution. The yellow solution contains