MHT CET 2022 Chemistry question

Which of the following statements is NOT true about ionic solid?

(A)The constituent particles of ionic solid are cations and anions
(B)Ionic solids are hard and brittle
(C)In this constituents particles are held together by electrostatic force of attraction
(D)Pure ionic solid is good conductor of electricity in solid stateCorrect

Answer: (D)

Solution

In ionic solids the constituent particles are cations and anions held together by strong electrostatic (Coulombic) attraction, so statements (A) and (C) are true. They are hard and brittle because shifting layers brings like charges face to face, causing repulsion and

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Question ID VK-094284