Allotropy — Prelims Questions

Which of the following statements about allotropes is INCORRECT?

Which of the following allotropes of phosphorus is highly reactive and glows in the dark?

Which of the following statements correctly describes the structural difference between diamond and graphite?

Which allotrope of sulfur is stable above $95.6^circ C$ and forms needle-like crystals?

Which of the following is NOT an allotrope of carbon?

Ozone ($O_3$) is an allotrope of oxygen ($O_2$). Which of the following properties is generally true for ozone compared to diatomic oxygen?