A-LevelChemistryReaction kinetics9701/12 · Oct/Nov 2009 · Q91 Mark
Four reactions of the type shown are studied at the same temperature. X(g) + Y(g) → Z(g) Which is the correct reaction pathway diagram for the reaction that would proceed most rapidly and with the highest yield?
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AReaction pathway diagram with low activation energy and a large energy drop from reactants to products.
BReaction pathway diagram with high activation energy and a large energy drop from reactants to products.
CReaction pathway diagram with low activation energy and a moderate energy drop from reactants to products.
DReaction pathway diagram with high activation energy and a moderate energy drop from reactants to products.
✓ Correct answer
C: Reaction pathway diagram with low activation energy and a moderate energy drop from reactants to products.
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