Question

Among the following statements, choose the correct statements.

A. In Ionic solid, ions are the constituent particles.

B. Ionic solids are soft.

C. Ionic solid are electrical insulators in the solid state.

D. Ionic solid conduct electricity in molten state.

E. Ionic solid have low melting and boiling points.

Choose the correct answer from the options given below:

• A. A. C & D only
• B. A. D & E only
• C. A. B & C only
• D. A, C & E only

Answer 1

Answer: (A)

A. C & D only

Answer 2

The correct answer is A. C & D only.

Statement A is correct: In an ionic solid, ions are the constituent particles.

Statement C is correct: Ionic solids are electrical insulators in the solid state. The ions are held in a rigid lattice structure, and there are no freely moving charged particles to conduct electricity.

Statement D is correct: Ionic solids can conduct electricity in the molten state or when dissolved in water. In these states, the ions are free to move and carry electric charge.

Therefore, the correct answer is A. C & D only.