Arrange the hydrides of the p-Block Group 15 elements in order of increasing boiling point:

Question

$\text{NH}_3 \gt \text{PH}_3 \gt \text{AsH}_3 \gt \text{SbH}_3 \gt \text{BiH}_3$ $\text{NH}_3 \gt \text{PH}_3 \lt \text{AsH}_3 \lt \text{SbH}_3 \gt \text{BiH}_3$ $\text{NH}_3 \gt \text{PH}_3 \lt \text{AsH}_3 \lt \text{SbH}_3 \lt \text{BiH}_3$ $\text{NH}_3 \lt \text{PH}_3 \lt \text{AsH}_3 \lt \text{SbH}_3 \lt \text{BiH}_3$