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A catalyst (a) increases the average kinetic energy of reacting molecules (b) decrease's the activation energy

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A catalyst  

(a) increases the average kinetic energy of reacting molecules 

(b) decrease's the activation energy 

(c) alters the reaction mechanism 

(d) increases the frequency of collisions of reacting species

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1 Answer

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Best answer

The correct option (b) decreases the activation energy 

(c) alters the reaction mechanism

Explanation:

Catalyst decreases the activation energy.

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