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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
Phosphine is prepared by the reaction of
  • A
    $P$ and ${H_2}S{O_4}$
  • ✓
    $P$ and $NaOH$
  • C
    $P$ and ${H_2}S$
  • D
    $P$ and $HN{O_3}$
✓

Answer

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

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