(NH\_3) has a much higher b.p. than (PH\_3) because | Chemistry | SolveeIt

$NH_3$ has a much higher b.p. than $PH_3$ because

$NH_3$ has a larger molecular weight

$NH_3$ undergoes umbrella inversion

$NH_3$ forms hydrogen bond

$NH_3$ contains ionic bonds whereas $PH_3$ contains covalent bonds.

Answer

$NH_3$ forms hydrogen bond

Explanation

Boiling point of $NH_3$ is much more than $PH_3$ . It is due to extensive H-bonding in $NH_3$ .

Chemistry Question on Group 15 Elements