How many triple point for sulphur system?

Answer

3

Explanation

Not more than `3` phases can exist at triple point. Thus sulphur has four triple point.
`{:(S_(R ),hArr,S_(M),hArr,S_(L),),(S_(R ),hArr,S_(M),hArr,S_(V),),(S_(M),hArr,S_(L),hArr,S_(V),),(S_(R ),hArr,S_(L),hArr,S_(V),("metastable state")):}`