Question:
Phosphine is not obtained by the reaction:
Phosphine is not obtained by the reaction:
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White phosphorus is much more reactive than red phosphorus.
Updated On: Mar 18, 2026
- White P is heated with NaOH
- Red P is heated with NaOH
- Ca₃P₂ reacts with water
- Phosphorus trioxide is boiled with water
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The Correct Option is B
Solution and Explanation
Step 1: Reactivity difference. Red phosphorus is less reactive than white phosphorus.
Step 2: Conclusion. Red phosphorus does not produce PH₃ with NaOH.
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