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STD 12 - p -Block elements - ll — JEE STD 11 Science — Question

Gujarat BoardEnglish MediumSTD 11 ScienceJEESTD 12 - p -Block elements - ll4 Marks
MCQ
White phosphorus when boiled with strong solution of caustic soda produces
  • ✓
    Phosphine
  • B
    Phosphoric acid
  • C
    Phosphorus acid
  • D
    No reaction
✓

Answer

Correct option: A.
Phosphine
a
(a) ${P_4} + 3{H_2}O + 3NaOH\, \to $$\mathop {P{H_3}}\limits_{{\rm{Phosphine}}} \,\, + \mathop {3Na{H_2}P{O_2}}\limits_{{\rm{Sod}}{\rm{. hypophosphite}}} $

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