Assertion. H_(2)O is the only hydride of group 16 which is a liquid at ordinary temperature . Reason. In ice, each oxygen atom is surrounded by two covalent bonds and two hydrogen bonds.

Assertion. H_(2)O is the only hydride of group 16 which is a liquid at

1.	Assertion. H_(2)O is the only hydride of group 16 which is a liquid at ordinary temperature . Reason. In ice, each oxygen atom is surrounded by two covalent bonds and two hydrogen bonds.
Answer» Solution :Correct explanation. Due to extensive H-bonding , water exists as ASSOCIATED MOLECULES . As a result, it has HIGH b.p. and thus water is a LIQUID at ROOM temperature.