Question

why propane have lower melting point than methane​

Answer 1

Answer:

Alkanes have low melting or boiling points because of the very weak intermolecular forces between alkane molecules. Methane, ethane, propane, and butane are gases at room temperature. ... As a result, it takes more energy to break these forces, and thus the melting or boiling points increase.

Explanation:

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Answer 2

Answer:

Alkanes have low melting or boiling points because of the very weak intermolecular forces between alkane molecules. Methane, ethane, propane, and butane are gases at room temperature.As a result, it takes more energy to break these forces, and thus the melting or boiling points increase.

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