Covalent substances can be simple molecular covalent or giant covalent.
Sulfur dioxide is a simple molecular, covalent substance.
Which is the most likely set of properties for sulfur dioxide?
| Melting point / ∘C^\circ\text{C}∘C | Boiling point / ∘C^\circ\text{C}∘C | Ability to conduct electricity in liquid state | |
|---|---|---|---|
| A | 1610 | 2230 | does not conduct |
| B | -73 | -10 | does not conduct |
| C | -39 | 357 | conducts |
| D | 801 | 1465 | conducts |
Melting point: 1610∘C1610^\circ\text{C}1610∘C, boiling point: 2230∘C2230^\circ\text{C}2230∘C, ability to conduct: does not conduct
Melting point: −73∘C-73^\circ\text{C}−73∘C, boiling point: −10∘C-10^\circ\text{C}−10∘C, ability to conduct: does not conduct
Melting point: −39∘C-39^\circ\text{C}−39∘C, boiling point: 357∘C357^\circ\text{C}357∘C, ability to conduct: conducts
Melting point: 801∘C801^\circ\text{C}801∘C, boiling point: 1465∘C1465^\circ\text{C}1465∘C, ability to conduct: conducts
59 exam-style questions on Edexcel GCSE Chemistry 2.5 Types of substance, covering 2.5.1 Classifying substances by structure and bonding, 2.5.2 Properties of ionic and simple molecular substances, 2.5.3 Giant covalent structures: diamond and graphite, 2.5.4 Fullerenes, graphene and simple polymers, 2.5.5 Properties of metals and non-metals, and 2.5.6 Limitations of bonding models and representations. Each one has a worked solution and a mark scheme showing where the marks go.