Which statement is wrong about $H_{2} O$ ?

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It has high specific heat relative to other liquids or solids (with similar m. wt.) due to strong intermolecular H-bonding.

Each $H_{2} O$ molecule has capacity to form 4 H-bonds.

$H_{2} O$ has open cage like structure due to intermolecular H-bonding which give rise to low density to ice than liquid $H_{2} O$ .

$H_{2} O$ has maximum density at 4° C since upto 4° C, the intermolecular H-bonding persists more thereby decreasing volume and increasing density

answer is D.

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Detailed Solution

$H_{2} O$ has a maximum density (1g/ml) at 4 C because the intermolecular H bonding keeps breaking up to 4 C, reducing volume and increasing density. This property is very beneficial to aquatic life. In extreme cold, the upper layer of water freezes, exposing the heavier water beneath the ice's surface. This provides thermal insulation for the water beneath it.

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