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 $185\, K$

Need a full question paper?

Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.

Start Generating Free