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EasyChemistryCollision theory
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Which of the following explains the increase of reaction rate by catalyst -
A
Catalyst decreases the rate of backward reaction so that the rate of forward reaction increases
B
Catalyst provides extra energy to reacting molecules so that they may reduce effective collisions
C
Catalyst provides an alternative path of lower activation energy to the reactants
D
Catalyst increases the number of collisions between the reacting molecules.
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The activation energy of reaction is equal to-

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