1.

Among the hydrides formed by the group VI-A elements, only \[{{H}_{2}}O\] has an abnormally low volatility (high boiling point). This is so because

A. \[{{H}_{2}}O\] molecules are associated due to intermolecular hydrogen bonds
B. \[{{H}_{2}}O\] is covalent in nature
C. The \[O-H\] bond in \[{{H}_{2}}O\] is very strong
D. The electronegativity difference of \[H\] and \[O\] is very large
Answer» B. \[{{H}_{2}}O\] is covalent in nature


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