Adding a catalyst
1 mark · EasyWhat does a catalyst do to the rates of the forward and reverse reactions in a reversible process?
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It increases the rates of both the forward and reverse reactions equally.
Also accept: Speeds up both reactions by the same amount.
Common mistakes: Only increases the forward reaction.; Only increases the reverse reaction.
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Marking points
B1 · 1 mark · States that the catalyst increases the rates of both forward and reverse reactions equally.
Worked solution
A catalyst increases the rates of both the forward and reverse reactions by the same amount.