d $NH_3$ is a weak reducing agent than $PH_3$, because $X-H$ bond strength decreased down the group. Due to absence of $H-$ bonding, only weak vander Waals force of attraction exists in $PH_3$, It has lower critical temperature than $NH_3$.
Download our app
and get started for free
Experience the future of education. Simply download our apps or reach out to us for more information. Let's shape the future of learning together!No signup needed.*