Department of Pre-University Education, KarnatakaPUC Karnataka Science Class 12
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Explain Ionic Solids Are Hard and Brittle. - Chemistry

Explain Ionic solids are hard and brittle.

Ionic solids are hard and brittle. Explain

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Solution 1

The constituent particles of ionic crystals are ions. These ions are held together in three-dimensional arrangements by the electrostatic force of attraction. Since the electrostatic force of attraction is very strong, the charged ions are held in fixed positions. This is the reason why ionic crystals are hard and brittle.

Solution 2

Ionic solids are hard and brittle.Ionic solids are hard due to the presence of strong electrostatic forces of attraction. The brittleness in ionic crystals is due to the non- directional bonds in them.

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NCERT Class 12 Chemistry Textbook
Chapter 1 The Solid State
Q 9.2 | Page 31
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