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) same arrangement of constituent particles in different directions. 

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

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2 Answers

(ii) a regular arrangement of constituent particles observed over a long distance in the crystal lattice.

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(ii) a regular arrangement of constituent particles observed over a long distance in the crystal lattice.

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