Multiple Choice
Which of the following is an example of a chemical reaction?
1. Intro to General Chemistry
Chemical Properties
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Is H2O an ionic or molecular compound, and what is its polarity?
A
H2O is an ionic compound and nonpolar.
B
H2O is an ionic compound and polar.
C
H2O is a molecular compound and polar.
D
H2O is a molecular compound and nonpolar.
Verified step by step guidance1
Identify the type of bonding in H2O: Water (H2O) is composed of hydrogen and oxygen atoms. These atoms share electrons, forming covalent bonds, which are characteristic of molecular compounds.
Determine the molecular geometry of H2O: The oxygen atom in H2O has two lone pairs and forms two bonds with hydrogen atoms, resulting in a bent molecular geometry.
Assess the electronegativity difference: Oxygen is more electronegative than hydrogen, creating a partial negative charge on the oxygen and a partial positive charge on the hydrogen atoms.
Evaluate the symmetry and polarity: Due to the bent shape and the difference in electronegativity, the molecule has an uneven distribution of charge, making H2O a polar molecule.
Conclude the type and polarity: Based on the covalent bonding and polar nature, H2O is a molecular compound and polar.
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