ConceptConceptDocsDocuments

Edexcel IGCSE Chemistry 1.48 Molecular mass & boiling point

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

1.48 Molecular mass and boiling point question 1

[Maximum number: 1]

The table gives some information about five gases.

Table for Question 1.48 Molecular mass and boiling point 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

All question bank results loaded