Other important addition reactions of alkenes
3 marks · Easy| Reactant | Product | Type of Reaction |
|---|---|---|
| Hydrogen | ||
| Water (steam) |
(a)[2 marks]
Complete the table by naming the products of these reactions.
(b)[1 mark]
State the type of reaction for both cases.
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(a) — · must show Hydrogen: ethane / C2H6, Steam: ethanol / C2H5OH
(b) Addition
Common mistakes: Confusing ethane and ethanol
Show mark scheme and worked solution
Marking points
B1 (a) · 1 mark · Identifies product of ethene + hydrogen as ethane (C2H6).
B2 (a) · 1 mark · Identifies product of ethene + steam as ethanol (C2H5OH).
B3 (b) · 1 mark · States reaction type as addition in both cases.
Worked solution
| Reactant | Product | Type of Reaction |
|---|---|---|
| Hydrogen | Ethane | Addition |
| Water (steam) | Ethanol | Addition |