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The Solid State
Question
Ionic solids conduct electricity in liquid state but not in solid state. Explain.
Solution
Ionic solids do not conduct electric current in solid state because in the solid ionic compound, the ions are held together in fixed positons by strong electrostatic forces and cannot move freely.
Ionic solids conduct electricity in liquid state because the crystal structure is broken down and ions become free to move and conduct electricity.
Some More Questions From The Solid State Chapter
Solid A is a very hard, electrical insulator in solid as well as in molten state and melts at extremely high temperature. What type of solid is it?
Ionic solids conduct electricity in liquid state but not in solid state. Explain.
What type of solids are electrical conductors, malleable and ductile?
Give the significance of a 'lattice point'.
Name the parameters that characterize a unit cell.
Distinguish between Hexagonal and monoclinic unit cells.
Distinguish between Face-centred and end-centred unit cells.
What is the two-dimensional coordination number of a molecule in square close packed layer ?
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