Which of the following best explains why water is a polar molecule? Electrons ar
ID: 144375 • Letter: W
Question
Which of the following best explains why water is a polar molecule?
Electrons are equally shared between the oxygen and hydrogens.
The attraction between the partial positive charge of the hydrogen atom on one H2O molecule and the partial negative charge of the oxygen atom on another H2O molecule.
H+ and OH- are highly reactive and give water its high heat of vaporization.
The shape of the H2O molecule and the polar covalent bond between the H and O atoms results in an unequal distribution of charge across the overall molecule.
Water either attracts or repels other substances.
Electrons are equally shared between the oxygen and hydrogens.
b.The attraction between the partial positive charge of the hydrogen atom on one H2O molecule and the partial negative charge of the oxygen atom on another H2O molecule.
c.H+ and OH- are highly reactive and give water its high heat of vaporization.
d.The shape of the H2O molecule and the polar covalent bond between the H and O atoms results in an unequal distribution of charge across the overall molecule.
e.Water either attracts or repels other substances.
Explanation / Answer
Ans (d) The shape of the H2O molecule and the polar covalent bond between the H and O atoms results in an unequal distribution of charges across the overall molecule.
Water is a polar molecule because of it's shape and structure and the presence of positive and negative charges.
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