Some chemical reactions of organic compounds
3 marks · EasyThe table shows equations for three organic reactions. Use the information to answer the questions.
| Equation | Type (to classify) |
|---|---|
| C2H6(g) + Cl2(g) → C2H5Cl(g) + HCl(g) | |
| C2H4(g) + HCl(g) → C2H5Cl(g) | |
| C2H6(g) + O2(g) → CO2(g) + H2O(l) |
(a)[1 mark]
Reaction 1: State the reaction type.
(b)[1 mark]
Reaction 2: State the reaction type.
(c)[1 mark]
Reaction 3: State the reaction type.
Work this out on paper, then compare with the answer and worked solution below. With a free account you can submit written answers for marking.
Show answer
(a) Substitution
(b) Addition
(c) Combustion
Common mistakes: Confusing addition and substitution
Show mark scheme and worked solution
Marking points
B1 (a) · 1 mark · Correctly identifies Reaction 1 as 'substitution'.
B2 (b) · 1 mark · Correctly identifies Reaction 2 as 'addition'.
B3 (c) · 1 mark · Correctly identifies Reaction 3 as 'combustion'.
Worked solution
| Equation | Type (classified) |
|---|---|
| C2H6(g) + Cl2(g) → C2H5Cl(g) + HCl(g) | Substitution |
| C2H4(g) + HCl(g) → C2H5Cl(g) | Addition |
| C2H6(g) + O2(g) → CO2(g) + H2O(l) | Combustion |