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Chemistry
Chemical reactions with very high Ea values are generally
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Q. Chemical reactions with very high $E_a$ values are generally
KCET
KCET 2006
Chemical Kinetics
A
very fast
12%
B
very slow
71%
C
moderately fast
9%
D
spontaneous
9%
Solution:
Reactions having low$ E_a$ are fast reactions and reactions having high $E_a$ are slow reactions. If the $E_a$ is high, then the number of effective collisions will be small and the reaction will be slow.