Properties of Ionic and Covalent Compounds Quiz

What is the main difference in the electrical conductivity of ionic and covalent compounds?

• Ionic compounds conduct electricity only in aqueous or molten state, while covalent compounds conduct electricity in all states

• Ionic compounds do not conduct electricity at all, while covalent compounds conduct electricity in all states

• Ionic compounds conduct electricity only in aqueous or molten state, while covalent compounds do not conduct electricity at all

• Ionic compounds conduct electricity in all states, while covalent compounds do not conduct electricity at all

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Why do ionic compounds have higher melting and boiling points compared to covalent compounds?

• Ionic compounds have weak electrostatic attraction forces between ions, requiring less heat energy to overcome, while covalent compounds have strong van der Waals forces, requiring more heat energy to overcome

• Ionic compounds have strong electrostatic attraction forces between ions, requiring more heat energy to overcome, while covalent compounds have weak van der Waals forces, requiring less heat energy to overcome

• Ionic compounds have weaker van der Waals forces compared to covalent compounds

• Ionic compounds have stronger van der Waals forces compared to covalent compounds

Why do covalent compounds not conduct electricity?

• Because covalent compounds have strong electrostatic attraction forces between ions

• Because covalent compounds consist of neutral molecules with no free moving ions

• Because covalent compounds have free moving ions

• Because covalent compounds have weak van der Waals forces

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What allows ionic compounds to conduct electricity in aqueous or molten state?

• The presence of weak electrostatic attraction forces

• The presence of neutral molecules

• The presence of strong van der Waals forces

• The presence of free moving ions

Why are ionic compounds insoluble in organic solvents?

• Because organic solvents have strong electrostatic attraction forces

• Because organic solvents have weak van der Waals forces

• Because organic solvents cannot overcome electrostatic attraction forces between ions in ionic compounds

• Because organic solvents consist of neutral molecules

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What is the main reason for the low melting and boiling points of covalent compounds?

• Covalent compounds have strong van der Waals forces

• Covalent compounds have strong electrostatic attraction forces between ions

• Covalent compounds consist of neutral molecules with strong electrostatic attraction forces between ions

• Covalent compounds consist of neutral molecules with weak van der Waals forces

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Why do ionic compounds have high melting and boiling points?

• Because they consist of neutral molecules with strong van der Waals forces

• Because they consist of neutral molecules with weak van der Waals forces

• Because they have strong electrostatic attraction forces between ions, requiring more heat energy to overcome

• Because they have weak electrostatic attraction forces between ions, requiring less heat energy to overcome

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What is the main reason for the low electrical conductivity of covalent compounds?

• Because covalent compounds have weak van der Waals forces

• Because covalent compounds consist of neutral molecules with no free moving ions

• Because covalent compounds have strong electrostatic attraction forces between ions

• Because covalent compounds have free moving ions

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Why do ionic compounds conduct electricity in aqueous or molten state?

• Because the lattice structure of the solid compound is broken down, allowing ions to move freely

• Because the lattice structure of the solid compound becomes stronger, preventing ions from moving freely

• Because the lattice structure of the solid compound becomes stronger, allowing ions to move freely

• Because the lattice structure of the solid compound is broken down, preventing ions from moving freely

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What is the main reason for the insolubility of ionic compounds in organic solvents?

• Because organic solvents consist of neutral molecules

• Because organic solvents cannot overcome electrostatic attraction forces between ions in ionic compounds

• Because organic solvents have weak van der Waals forces

• Because organic solvents have strong electrostatic attraction forces

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