Quelpr
4 marksGroup IV Elements

CAPE Chemistry Unit 1 · 2011 · Paper 2 · Question 6(b)

Melting and boiling points of Group IV elements decrease from carbon to lead while their densities increase.

Use a knowledge of structure and bonding to explain these trends.

The mark scheme is shown once you've answered.

Practise this question

Other parts of this question

  1. 6(a)Copy and complete the information in Table 2 regarding some physical properties of elements in Group IV of the Periodic Table.[4 marks]
  2. 6(c)(i)Account for the following observation, using the bonding present in the compounds: Silicon tetrachloride is a volatile liquid at room temperature.[1 mark]
  3. 6(c)(ii)Account for the following observation, using the bonding present in the compounds: When exposed to the atmosphere, SiCl4 produces white fumes while no such…[3 marks]
  4. 6(d)(i)Name the type of reaction taking place.[1 mark]
  5. 6(d)(ii)State the name and the formula of the substance responsible for the presence of the white fumes.[2 marks]
  6. 6(e)State ONE use of a ceramic material based on silicon (IV) oxide.[1 mark]

More practice: the rest of this paper · more Group IV Elements questions · all CAPE Chemistry Unit 1 past papers