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State whether true or false: The number of defects in a crystal can be minimized by carrying out the process of crystallization at a slow rate.

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in Chemistry – Class 12 by (188k points)
State whether true or false: The number of defects in a crystal can be minimized by carrying out the process of crystallization at a slow rate.

(a) True

(b) False

The question was asked in my homework.

This is a very interesting question from Imperfections in Solids in portion Solid State of Chemistry – Class 12

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Correct option is (a) True

Best explanation: All big crystals have some or the other defects in the arrangement of their constituents. An ideal crystal does not exist. These defects are more if the crystallization process occurs at a faster rate. Hence, slowing down the process minimizes the defects. It is akin to starting with one crystal (unit) and adding to it from all sides to create a bigger crystal. Defects are produced due to some irregularity in this arrangement.

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