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Class 12Chemistryp-Block Elements (Class 12)Nitrogen family
Easy

Phosphine is generally prepared in the laboratory by:

  • A
    Heating phosphorus in a current of hydrogen
  • B
    Heating white phosphorus with an aqueous solution of caustic potash
  • C
    Decomposition of $P_2H_4$ at $110\,^{\circ}C$
  • D
    Heating red phosphorus with an aqueous solution of caustic soda
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Class 12 Questions

Class 12

Chemistry Questions

Chapter

p-Block Elements (Class 12)

Subtopic

Nitrogen family

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