IB skill practice

Compare intermolecular forces and physical properties

Syllabus-aligned Chemistry skill. Draft skills remain inactive until production seed coverage is added.

Paper 1, Paper 2 5 marks Difficulty 4

Boiling-point difference from stronger forces

Two molecular substances in a Auckland laboratory discussion have boiling points \(90^{\circ}\text{C}\) and \(126^{\circ}\text{C}\). Calculate the difference linked to stronger intermolecular forces. Enter the answer and choose the interpretation that matches the chemistry.

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