Which of the following statements about phosphorus is NOT correct?
- Phosphorus is a solid mineral
- Phosphorus is obtained by oxidation reaction of phosphate
-
Phosphorus exists in two allotropic forms
- Both forms of phosphorus are interconvertible
- Yellow phosporus ignites when rubbed on a rough surface
The correct answer is: C
Explanation
The main allotropes of phosphorus include the white phosphorus, red phosphorus and black phosphorus.