I concur with Vusmenon that option B represents the correct chemical formula and model for water. The option also shows the correct polarity of the water molecule.
By elimination, option A refers to the correct chemical formula, but the wrong model. The model is linear and resembles a carbon dioxide (CO2) molecule. A water (H2O) molecule is not linear and instead forms a V shape. This is because the oxygen atom is surrounded by four...
I concur with Vusmenon that option B represents the correct chemical formula and model for water. The option also shows the correct polarity of the water molecule.
By elimination, option A refers to the correct chemical formula, but the wrong model. The model is linear and resembles a carbon dioxide (CO2) molecule. A water (H2O) molecule is not linear and instead forms a V shape. This is because the oxygen atom is surrounded by four pairs of electrons. The electrons repel to form a tetrahedral structure. Furthermore, two pairs of the electrons are attached to the two hydrogen atoms, and the other two pairs of lone electrons are unattached, forming the V shape.
Option C, on the other hand, shows the correct molecular model for water which is V-shaped but gives the wrong formula. The formula HO2 is for the Hydroperoxyl molecule.
Option D is completely incorrect because water has a specific molecular structure and formula in compliance with how its molecules are formed.
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