ConceptConceptDocsDocuments

CAIE A-Level Chemistry 11.1.1 Halogen Colours and Volatility

Practise recalling the colours and room-temperature states of chlorine, bromine and iodine and ranking volatility.

Syllabus
2028–2030
Course
Chemistry 9701
Level
AS

Exam points

  • state chlorine as pale green gas, bromine as red-brown liquid and iodine as grey-black solid
  • describe volatility as decreasing from chlorine to bromine to iodine down Group 17
  • use observed colour and physical state together when identifying an unknown halogen

11.1.1—Colours and the trend in volatility question 1

[Maximum number: 1]

The halogens chlorine, bromine and iodine show trends in chemical and physical properties down the group.

Table 3.1 shows some properties of chlorine, bromine and iodine.

Table 3.1

Table 3.1

Complete Table 3.1.

All question bank results loaded