A) White phosphorus
B) Red phosphorus
C) Both and
D) None of Aese
Correct Answer: A
Solution :
White phosphorus on heating with aqueous solution of KOH produce phosphene \[(P{{H}_{3}})\] gas. \[\underset{\begin{smallmatrix} \,\,\,\,\,\,\,\,\,\,\,\,\text{White} \\ \text{phosphorus} \end{smallmatrix}}{\mathop{{{P}_{4}}}}\,+3KOH+3{{H}_{2}}O\xrightarrow{{}}\]\[\underset{\begin{smallmatrix} \,\,\,\,\,\,\,\,\text{Potassium} \\ \text{hypophosphite} \end{smallmatrix}}{\mathop{3K{{H}_{2}}P{{O}_{2}}}}\,+\underset{\text{Phosphene}}{\mathop{P{{H}_{2}}}}\,\]
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