PROPERTIES OF IONIC AND COVALENT COMPOUNDS

How do ionic compounds generally dissolve in water?

• A) By forming covalent bonds with water molecules

• B) By dissociating into ions

• C) By undergoing a phase change to become a gas

• D) By remaining insoluble

What type of bonding holds together the atoms in covalent compounds?

• A) Ionic bond

• B) Hydrogen bond

• C) Metallic bond

• D) Covalent bond

What is the typical state of matter for most covalent compounds at room temperature?

• A) Gas

• B) Liquid

• C) Solid

• D) Plasma

Which of the following is a property of ionic compounds?

• A) Low electrical conductivity when dissolved in water

• B) Insolubility in water

• C) Brittle crystal structure

• D) High volatility

Which of the following statements is true about ionic compounds?

• A) They consist of discrete molecules.

• B) They are typically gases at room temperature.

• C) They conduct electricity when dissolved in water.

• D) They have low melting and boiling points.

Which of the following properties is characteristic of covalent compounds?

• A) High electrical conductivity in the solid state

• B) High solubility in water

• C) Low melting and boiling points

• D) Brittle crystal structure

How do the melting and boiling points of ionic compounds compare to those of covalent compounds?

• A) Ionic compounds have lower melting and boiling points.

• B) Ionic compounds have higher melting and boiling points.

• C) Covalent compounds have lower melting and boiling points.

• D) Covalent compounds have higher melting and boiling points.

Which type of compound is typically soluble in water: ionic or covalent?

• A) Ionic compounds

• B) Covalent compounds

• C) Both types are equally soluble

• D) Neither type is soluble in water

Which type of compound tends to have higher melting and boiling points: ionic or covalent?

• A) Ionic compounds

• B) Covalent compounds

• C) Both types have similar melting and boiling points.

• D) Neither type has measurable melting and boiling points.

How do the forces of attraction between molecules in covalent compounds compare to those in ionic compounds?

• A) They are weaker in covalent compounds.

• B) They are stronger in covalent compounds.

• C) They are equal in both types of compounds.

• D) They do not exist in covalent compounds.