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-p-Block elements - I — Chemistry STD 11 Science — Question

Rajasthan BoardEnglish MediumSTD 11 ScienceChemistry-p-Block elements - I1 Mark
MCQ
The substance that has the lowest boiling point is
  • A
    $HCl$
  • B
    $H_2S$
  • C
    $PH_3$
  • ✓
    $SiH_4$
✓

Answer

Correct option: D.
$SiH_4$
d
$SiH _4$ has a lowest boiling point of $161\, K$

$H _2 S$ boiling point $216\, K$.

$HCl$ boiling point $188\, K$.

$PH _3$ boiling point $185\, K$

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