Why is water so effective at hydrogen bonding?

Choose 1

(Choice A)

The hydrogens in water are ionically bonded to the oxygen.

(Choice B)

Hydrogen is more electronegative than oxygen, so it is more likely to donate its electrons to oxygen.

(Choice C)

Oxygen is very electronegative and strongly attracts hydrogen's electron.

(Choice D)

There are two hydrogens, doubling the positive charge on the water molecule.

Choice A

Explanation:

Water molecules forming hydrogen bonds with one another. The partial negative charge on the O of one molecule can form a hydrogen bond with the partial positive charge on the hydrogens of other molecules. Water molecules are also attracted to other polar molecules and to ions.

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