Question

Maximum number of hydrogen bonds formed by a $H_{2}O$ molecule is _____

• A. 4
• B. 2
• C. 1
• D. 0

Answer 1

The correct option is A

4

In solid state(ice) one water molecule H-bonds with 4 other water molecules.

Ice Structure

Each of the H-atoms of $H_{2}O$ can form one H-bond.

O of $H_{2}O$ which is drawing the electron pair towards itself from bonds with two H atoms, can form two H-bonds with H-atoms of other $H_{2}O$ molecules. Thus, 4 H-bonds in total.