Account for the following:1. Water is a liquid while H2S is a gas 2.

1.	Account for the following:1. Water is a liquid while H2S is a gas 2. NH3 has higher boiling point than PH3.
Answer» 1. In case of water, hydrogen bonding causes association of the H₂O molecules. There is no such hydrogen bonding in H₂S, that is why it is a gas. 2. There is hydrogen bonding in NH₃ but not in PH₃ .

Account for the following:1. Water is a liquid while H2S is a gas 2. NH3 has higher boiling point than PH3.

Answer»

1. In case of water, hydrogen bonding causes association of the H₂O molecules. There is no such hydrogen bonding in H₂S, that is why it is a gas.

2. There is hydrogen bonding in NH₃ but not in PH₃ .