Ncert Exercises & Solutions

The sharp melting point of crystalline solids is due to......... .

1.	A regular arrangement of constituent particles observed over a short distance in the crystal lattice
2.	A regular arrangement of constituent particles observed over a long distance in the crystal lattice
3.	Same arrangement of constituent particles in different directions
4.	Different arrangement of constituent particles in different directions

Crystalline solid has regular arrangement of constituent particles observed over a long distance in the crystal lattice. Due to this regular arrangement crystalline solid have sharp melting point.

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