Reason: All the bonds between the atoms or molecules of a crystalline solids are equally strong, that they get broken at the same temperature.
Assertion: The crystalline solids have a sharp melting point.
A. Both Assertion and Reason are correct but Reason is not the correct explanation for Assertion
B. Both Assertion and Reason are correct and Reason is the correct explanation for Assertion
C. Assertion is correct but Reason is incorrect
D. Both Assertion and Reason are incorrect