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Q.

A hydrogenation reaction is carried out at 500 K. If the same reaction is carried out in the presence of a catalyst at the same rate with same frequency factor, the temperature required is 400 K. What is the activation energy of the reaction, if the catalyst lowers the activation energy barrier by 16 kJ/mol?

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answer is 80.

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Detailed Solution

k=A.e−Ea/RT; A.e −EaRT1=A.e−(Ea−x)RT2 Ea500=(Ea−16)400=Ea=80 Kj/mol

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