Which statement best explains why the polarity of a H2O molecule differs from the polarity of a CO2 molecule? The bond strength is greater in CO2. Oxygen is more electronegative than carbon. The central atom in H2O has lone pair electrons and the central atom in CO2 does not.

The electronegativities of oxygen and carbon are: 3, 44 and 2, 55 respectively. The electronegativity is defined as the capacity that a given atom has for the attraction of electrons, by forming a chemical bond. Polarity is related to electronegativity. The greater the difference in electronegativities between two atoms, the polarity of the bond they form will be greater.

tutorareej tutorareej · Answer 2 · 2021-10-11T11:20:08+02:00

Answer:

The [tex]\rm H_2O[/tex] molecule differs from the polarity of [tex]\rm CO_2[/tex] molecule, because Oxygen is more electronegative than carbon.

Explanation:

The polarity of a bond depends on the electronegativity of the atoms involved. Electronegativity plays a direct proportion to the polarity of the bond. The more difference in the electronegativity of the atom the more will be the polarity of the bond.

In the molecule of, [tex]\rm CO_2[/tex] the electronegativity of the carbon atom is 2.55. The electronegativity of oxygen in the molecule of [tex]\rm O_2[/tex] is 3.44.

Since the electronegativity of Oxygen is more than the Carbon atom, the polarity of [tex]\rm H_2O[/tex] is more than [tex]\rm CO_2[/tex].

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