Making ethanol by the hydration of ethene
2 marks · NormalGive the names of the two reactants required to make ethanol by the hydration of ethene. Write the chemical formula for each.
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Also accept: ethene (C2H4 or CH2=CH2), steam (H2O or water vapour)
Common mistakes: Confusing reactants with products
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Marking points
B1 · 1 mark · Correct name and formula for ethene: ethene, C2H4 or CH2=CH2
B2 · 1 mark · Correct name and formula for steam: water, H2O (accept water vapour, steam)
Worked solution
The two reactants are:
Ethene (C2H4 or CH2=CH2)
Steam (H2O or water vapour)