CHAPTER 24: Group IV

• Physical Properties of Group IV Elements
• Group IV Chlorides
• Group IV Oxides
• Relative Stability of  +2 and +4 Oxidation States

Learning outcomes:

• outline the variation in melting point and in electrical conductivity of the elements and interpret them in terms of structure and bonding
• describe and explain the bonding in, molecular shape and volatility of the tetrachlorides
• describe and explain the reactions of the tetrachlorides with water in terms of structure and bonding
• describe and explain the bonding, acid-base nature and thermal stability of the oxides of oxidation states II and IV
• describe and explain the relative stability of higher and lower oxidation states of the elements in their oxides and aqueous cations including, where relevant, E values