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MolSynapse / Question bank / p-Block Elements: Groups 15 and 16 / Phosphorus allotropes, phosphine, halides and oxyacids of phosphorus
NEET levelSingle correct optionDifficulty 1 of 3pn037

White phosphorus is stored under water because it

  1. Areacts with water to give phosphine
  2. Bis insoluble in all solvents
  3. Cis converted to red phosphorus by air
  4. Dcatches fire spontaneously in air

Answer: D

White phosphorus () is highly reactive and ignites spontaneously in air at about 303 K, so it is kept under water, in which it is insoluble and does not react.
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More questions on Phosphorus allotropes, phosphine, halides and oxyacids of phosphorus