White phosphurus has to be dept …

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White phosphurus has to be dept in water.Why?

Posted by Shreya Kumbhar 5 years, 3 months ago

CBSE > Class 08 > Science

2 answers

Anisha Kashyap -09 5 years, 3 months ago

It catches fire spontaneously

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Meghna Thapar 5 years, 3 months ago

White phosphorus is highly reactive, and spontaneously ignites at about 30°C in moist air. It is usually stored under water, to prevent exposure to the air. It is also extremely toxic, even in very small quantities. In water, white phosphorus reacts with oxygen within hours or days. In water with low oxygen, white phosphorus may degrade to a highly toxic compound called phosphine, which eventually evaporates to the air and is changed to less harmful chemicals.

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