Question

Which among the following is non-poisonous in nature?

• A. Phosgene
• B. Gaseous chlorine
• C. Phosphine
• D. Red phosphorus

Hint:

Red phosphorus is less toxic and is commonly used in safety matches, unlike white phosphorus, which is highly toxic.

Answer 1

The Correct Option is D

Step 1: Understanding the toxicity of substances.
- Phosgene is highly toxic and was used as a chemical weapon. - Gaseous chlorine is toxic and can cause severe damage to the respiratory system. - Phosphine is highly toxic and can be lethal in even small amounts. - Red phosphorus is relatively less toxic and is used safely in matches and other applications.

Step 2: Conclusion.
The correct answer is (D) Red phosphorus, as it is non-poisonous compared to the other options.