Making ethanol by the hydration of ethene
3 marks · Easy(a)[1 mark]
State the word equation for the hydration of ethene to produce ethanol.
(b)[2 marks]
Write the balanced symbol equation for the reaction.
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(a) Ethene + steam → ethanol
(b) \ce{CH2=CH2(g) + H2O(g) -> CH3CH2OH(g)}
Show mark scheme and worked solution
Marking points
B1 (a) · 1 mark · Correct word equation: Ethene + steam → ethanol
M1 (b) · 1 mark · Correct reactants and products in the symbol equation.
A1 (b) · 1 mark · Balanced equation with correct state symbols.
Worked solution
a) Ethene + steam → ethanol
b) The balanced symbol equation is: