. The sharp melting point of crystalline solids is due to


A: a regular arrangement of constituent particles observed over a short distance in crystal lattice.

B: a regular arrangement of constituent particles observed over a long distance in crystal lattice.

C: same arrangement of constituent particles in different direction

D: different arrangement of constituent particles in different directions

 

Best Answer

Explanation:-

  • Crystalline solids have a regular arrangement of its constituent particles over a long range in a crystal lattice 

due to which there are  regularities in structure and they have sharp melting points.

Final Answer:-

The correct option is  (B)  a regular arrangement of constituent particles observed over  a long range in crystal lattice 

 

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