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p -Block elements - ll — Chemistry STD 12 Science — Question

Gujarat BoardEnglish MediumSTD 12 ScienceChemistryp -Block elements - ll1 Mark
MCQ
Phosphine may be produced by adding water to
  • ✓
    $Ca_3P_2$
  • B
    $P_4O_6$
  • C
    $P_4O_{11}$
  • D
    $HPO_3$
✓

Answer

Correct option: A.
$Ca_3P_2$
a
Phosphine is produced by adding $Ca _3 P _2$ to water. The reaction is as shown below:

$Ca _3 P _2+6 H _2 O \rightarrow 3 Ca ( OH )_2+2 P H _3$

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