Does trans-oleic acid have a higher or lower melting point than cis-oleic acid?

Question

Does trans-oleic acid have a higher or lower melting point than cis-oleic acid? Explain. O Lower, because the more linear chain favors looser packing and therefore favors the solid state. O Higher, because the more linear chain favors looser packing and therefore favors the solid state O Lower, because the more linear chain favors looser packing and therefore favors the liquid state. O Higher, because the more linear chain favors tight packing and therefore favors the solid state O Lower, because the more linear chain favors tight packing and therefore favors the solid state. O Higher, because the more linear chain favors looser packing and therefore favors the liquid state.

Explanation / Answer

Trans oleic acid has higher melting point than cis one. It is because in trans form, the arrangement of atoms occur more closely resulting in closer packed arrangement of solid state. Trans fats like saturated fats are usually solid at room temperature. Therefore, option 4 is correct.

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