Exploring Water Molecules

What is the molecular geometry of a water molecule?

• Linear

• Bent

• Trigonal planar

• Tetrahedral

How does the polarity of water affect its solvent properties?

• Polarity of water only affects its temperature, not its solvent properties.

• Water's polarity makes it unable to dissolve any substances.

• Water's polarity prevents it from interacting with ionic compounds.

• The polarity of water allows it to dissolve many ionic and polar substances, enhancing its solvent properties.

What type of bond forms between water molecules due to hydrogen bonding?

• Covalent bonds

• Metallic bonds

• Hydrogen bonds

• Ionic bonds

What is the bond angle in a water molecule?

• 180 degrees

• 104.5 degrees

• 90 degrees

• 120 degrees

Why is water considered a universal solvent?

• Water is considered a universal solvent because it can dissolve a wide range of substances due to its polar nature.

• Water's ability to dissolve substances is due to its high temperature.

• Water can only dissolve salts and sugars, not gases or oils.

• Water is a universal solvent because it is a liquid at room temperature.

How does the density of water change when it freezes?

• The density of water remains the same when it freezes.

• The density of water increases when it freezes.

• The density of water decreases when it freezes.

• The density of water fluctuates randomly when it freezes.

What is the significance of hydrogen bonding in water's properties?

• Hydrogen bonding decreases water's specific heat.

• Hydrogen bonding makes water a poor solvent.

• Hydrogen bonding weakens water's surface tension.

• Hydrogen bonding is crucial for water's unique properties, including high surface tension, high specific heat, and solvent capabilities.

How does the shape of the water molecule contribute to its polarity?

• The linear shape of the water molecule creates a balanced charge distribution.

• Water molecules are nonpolar due to their symmetrical arrangement.

• The tetrahedral shape of water allows for equal sharing of electrons.

• The bent shape of the water molecule leads to an uneven distribution of charge, making it polar.

What happens to the boiling point of water due to hydrogen bonding?

• The boiling point of water remains the same regardless of hydrogen bonding.

• Hydrogen bonding has no effect on the boiling point of water.

• The boiling point of water increases due to hydrogen bonding.

• The boiling point of water decreases due to hydrogen bonding.

How does water's density compare to that of ice?

• Water is denser than ice.

• Ice is less dense than water.

• Ice is denser than water.

• Water and ice have the same density.