MultipleThis test allows multiple attempts Attenpts Force Completion This test c

Question

MultipleThis test allows multiple attempts Attenpts Force Completion This test can be saved and resumed later This test does not allow backtracking. Changes to the answer after submission are prohibited Question Completion Status: Moing to the next question prevents changes to this answer Question 4 The melting point of a molecular substance is influenced by(Select all that apply.) O A the strength of its covalent bonds o B. the shape of the molecules D C.its polarity D. the overall size of the molecules A Moving to the next question prevents changes to this answer.

Explanation / Answer

The answer is option third Its polarity.

The strong force of the attraction between molecules results in a higher melting point. Therefore those molecule having high force of the attraction between the molecule are shows the high melting point. In general the presence of polarity, especially hydrogen bonding, usually leads to a higher melting point. the polarity will creats the weak bond like hydrogent bond and vander wall force of atraction these bond will extra stength to the molecule will affect the melting point.

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