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Edexcel IGCSE Chemistry 1.48 Molecular Mass and Boiling Point Questions

Practise linking molecular size and relative molecular mass to boiling point trends in alkanes, halogens and simple molecular substances.

Syllabus
First assessment 2019
Course
Chemistry 4CH1

Exam points

  • explain higher boiling points using larger molecules and stronger intermolecular forces
  • interpret tables or graphs to describe boiling point trends in alkanes or Group 7 molecules
  • read a boiling point from a plotted trend and show the value using construction lines

Edexcel IGCSE Chemistry 1.48 Molecular Mass and Boiling Point Questions question 1

[Maximum number: 1]

The table gives some information about five gases.

Table for Question Edexcel IGCSE Chemistry 1.48 Molecular Mass and Boiling Point Questions question 1 — Edexcel IGCSE Chemistry

Why does chlorine have the highest boiling point of the gases in the table?

A

chlorine has the strongest covalent bonds between its atoms

B

chlorine has the strongest covalent bonds between its molecules

C

chlorine has the strongest ionic bonds between its atoms

D

chlorine has the strongest forces of attraction between its molecules

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