`PH_(3)` forms bubbles when passed slowly in water but `NH_(3)` dissolves. Explain why ? In `PCl_(5)` Phosphorus is in `sp^(3)`d hybridised state but all its five bonds are not equivalent. Justify your answer with reason.

Explanation

Dissoiution of `NH_(3)` and `PH_(3)` in water can be explained on the basis of H- bonding `NH_(3)` forms H- bond with water so it soluble but `PH_(3)` does not form H- bond with water so it remains as gas and forms bubble in water.