PAGE PRE-U TEXT STPM INORGANIC CHEMISTRY

ISBN: 978 983 3879 83 0

Chapter 6 Group 17: Cl, Br and I Practice 6.1 General properties of the halogens

Reinforce your understanding and knowledge of the physical and chemical properties of the elements of Group 17, by elaborating the key words given below:

STPM

: 1999, P1/Q27, 2000,P1/Q52 P2/Q6(b)(i), (ii); 2001, P1/Q25; 2002, P1/Q25, P2/Q3(a)

2003, P1/Q26, 2004, P2/Q8(a) Reference: Pages 319 to 328Guide

The Group 17 elementsThe electronic configuration of the valence shells of the elements in Group 17

Reactivity

Physical properties of the Group 2 elements

The variation of atomic radius when going down Group 17

Nuclear charge

Screening effect

Effective nuclear charge The variation of electronegativity when going down Group 17

Atomic size

Nuclear charge

The variation of electron affinity when going down Group 17

The variation of melting point, boiling point and enthalpy of vapourisation when going down Group 17

The bond energy The variation of melting point when going down Group 17 Strength of forces holding particles in the solid state

The arrangement of particles in the solid state Lattice structureChemical properties of the halogens

Halogen as oxidising agents Reaction of the halogens with hydrogen

Hydrogen halides

Boiling point and melting point

Thermal stability

The hydrohalic acids

Reactions of halogen with alkali

Reactions of aqueous halide ions with silver nitrate solutionReactions of solid halide ions with concentrated sulphuric(VI) acid

Oxo-acids of chlorine

Production of chlorine

The mercury cathode cell

The diaphragm cell

Uses of halogens and their compounds

Chlorine

Bromine

Iodine

PRE-U TEXT

INORGANIC CHEMISTRY

PAGE 1 Pearson Malaysia Sdn. Bhd. 2007