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The sharp melting point of crystalline solids

Question:

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

(i) a regular arrangement of constituent particles observed over a short

distance in the crystal lattice.

(ii) a regular arrangement of constituent particles observed over a long

distance in the crystal lattice.

(iii) the same arrangement of constituent particles in different directions.

(iv) a different arrangement of constituent particles in different directions.

Solution:

Option (ii) a regular arrangement of constituent particles observed over a long

distance in the crystal lattice is the answer.

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