Question

Which allotropic form of phosphorus glows in dark?

Answer 1

Allotropes

• Allotropes are two or more forms of the same elements that exist in the same physical state (solid, liquid, or gas) but have physical and chemical properties that differ from one another.
• Important allotropes of phosphorus are white, red, and black phosphorus.

White phosphorus

• It is a translucent white waxy solid.
• It is poisonous, insoluble in water but soluble in carbon disulfide.
• It glows in dark (chemiluminescence).