Which among the following is non poisonous in nature?

Which among the following is non poisonous in nature?
  1. Phosgene
  2. Gaseous chlorine
  3. Phosphine
  4. Red phosphorus

Solution

Red phosphorus Phosphorus in the form of red phosphorus is non-poisonous. It's a unique situation. In its pure state, this reddish-violet powder is not poisonous. Under normal conditions, it is stable, but it is combustible and can be ignited by extreme stress or friction.

Asked in: MHT CET 2020 (16 Oct Shift 1)

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