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Question

A crystalline solid

[Kerala CET (Med.) 2003]


A

Changes abruptly from solid to liquid when heated

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B

Has no definite melting point

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C

Undergoes deformation of its geometry easily

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D

Has an irregular 3-dimensional arrangements

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E

Softens slowly

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Solution

The correct option is A

Changes abruptly from solid to liquid when heated


In crystalline solid there is perfect arrangement of the constituent particles only at 0K. As the temperature increases the chance that a lattice site may be unoccupied by an ion increases. As the number of defects increases with temperature solid change in liquid


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