Why is phosphorus stored in water?

Phosphorus is stored in water because it is highly reactive with oxygen in the air and can catch fire spontaneously. Water prevents phosphorus from coming in contact with oxygen and keeps it safe.

Properties of Phosphorus

• White phosphorus is highly reactive.
• It can ignite at room temperature in presence of air.
• It glows in the dark due to oxidation (chemiluminescence).

Why Store in Water?

1. Water creates a barrier between phosphorus and oxygen.
2. It prevents accidental ignition.
3. It keeps phosphorus stable for laboratory and industrial use.

Different Allotropes of Phosphorus

• White Phosphorus: Highly reactive, stored in water.
• Red Phosphorus: More stable, does not need storage in water.
• Black Phosphorus: Least reactive, very stable.

Examples of Use

• Matchsticks (red phosphorus)
• Fertilizers (phosphates)
• Military applications (white phosphorus)