Answer :
Answer:
E. is a polar molecule
Explanation:
The polar nature of the water molecule , i.e. , the atoms can be split into the respective partial positive as well as partial negative charge is referred to as a polar molecule .
Due to the electronegativity difference between the hydrogen and oxygen atom , i.e. , oxygen is more electronegative than hydrogen atom , so the oxygen atom attains a partial negative charge and the hydrogen atom attains a partial positive charge .
Hence , due to this polar nature of water molecule , it shows various unique properties .
Many of the unique properties of water are attributed to the fact that water is a polar molecule.
A water molecule contains only two elements: one oxygen atom and two hydrogen (H2O).
Its two hydrogen atoms are bonded to the oxygen atom and form an angle of 104.5 to each other.
This distribution of its atoms, added to the high electronegativity value of the oxygen atom, generates the formation of an electric dipole that determines the polarity of the water.
- This asymmetric distribution causes the oxygen to acquire a partially negative charge, and the hydrogens a partially positive charge, thus achieving polarity (positive and negative pole).
- Together, the polarity of the water molecule and its special geometry determine all the other unique properties of water.
- Its dissociation capacity and the rapid migration of the resulting ions (H + and OH-) explain the critical importance of pH in many biological processes.
Therefore, we can conclude that many of the unique properties of water are attributed to the fact that water is a polar molecule.
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