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Q.

An endothermic reaction A→B has an activation energy as X kJ/mole. If energy change of the reaction is Y kJ, the activation energy of the reverse reaction is

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a

Y - X

b

X - Y

c

X + Y

d

– X

answer is B.

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Detailed Solution

For an endothermic reaction,

Energy of reactants < Energy of products

Question Image

 Ea = X

ΔH = Y

X = Ea' + Y Ea' =X - Y

 

 

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