Ionic and Covalent Bonds — Prelims Questions

Consider the following statements regarding chemical bonds: 1. Ionic compounds generally have high melting points due to strong electrostatic forces. 2. Covalent compounds typically conduct electricity in their molten state. 3. A large electronegativity difference between atoms favors the formation of a polar covalent bond. Which of the statements given above is/are correct?

Which of the following compounds is an example of a covalent network solid?

Which of the following statements about coordinate covalent bonds is correct?

Regarding the electrical conductivity of ionic compounds, which statement is accurate?

Which of the following molecules is expected to have a net dipole moment?