Phosphine is not obtained by which of the following reaction?

Phosphine is not obtained by which of the following reaction?
  1. White $\mathrm{P}$ is heated with $\mathrm{NaOH}$.
  2. $\operatorname{Red} \mathrm{P}$ is heated with $\mathrm{NaOH}$.
  3. $\mathrm{Ca}_{3} \mathrm{P}_{2}$ reacts with water.
  4. Phosphorus trioxide is boiled with water.

Solution

Red $\mathrm{P}$ does not react with $\mathrm{NaOH}$ to give $\mathrm{PH}_{3}$. ~

Asked in: JEE-TOPICTESTS-CHEMISTRY

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