1.

Sodium hydroxide solution reacts with phosphorus to give phosphine. To bring about this reaction, we need [KCET 1989]

A. White phosphorus and dil. \[NaOH\]
B. White phosphorus and conc. \[NaOH\]
C. Red phosphorus and dil. \[NaOH\]
D. Red phosphorus and conc. \[NaOH\]
Answer» C. Red phosphorus and dil. \[NaOH\]


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