Phosphorus MCQ

Test your knowledge with important Phosphorus MCQ and their applications. These MCQs are beneficial for competitive exams too. Explore 30 + more Phosphorus MCQs at Bissoy

• What is the allotrope of phosphorus in which P-atom completes its octet?
  ক

  Alpha-black phosphorus

  খ

  Beta-black phosphorus

  গ

  White phosphorus

  ঘ

  Red phosphorus
• Which allotrope of phosphorus is also called yellow phosphorus?
  ক

  Black phosphorus

  খ

  Red phosphorus

  গ

  Beta- black phosphorus

  ঘ

  White phosphorus
• White phosphorus can be reconverted to red phosphorus.
  ক

  True

  খ

  False
• Which allotrope of phosphorus does not catch fire easily?
  ক

  White phosphorus

  খ

  Alpha- black phosphorus

  গ

  Beta- black phosphorus

  ঘ

  Red phosphorus
• Like white phosphorus, which phosphorus also exists as P4?
  ক

  Black phosphorus

  খ

  Red phosphorus

  গ

  Phosphine

  ঘ

  Beta-black phosphorus
• Beta-black phosphorus is prepared by heating white phosphorus.
  ক

  True

  খ

  False
• From which type of phosphorus is alpha -black phosphorus formed?
  ক

  Phosphide

  খ

  White phosphorus

  গ

  Black phosphorus

  ঘ

  Red phosphorus
• Red phosphorus is kept under water to protect it from air.
  ক

  True

  খ

  False
• Which allotrope of phosphorus is the most reactive?
  ক

  White phosphorus

  খ

  Metal phosphorus

  গ

  Red phosphorus

  ঘ

  Beta-black phosphorus
• Which allotrope of phosphorus is the most stable?
  ক

  White phosphorus

  খ

  Red phosphorus

  গ

  Black phosphorus

  ঘ

  Phosphine