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Q.

An endothermic reaction A→B has an activation energy 65 kcal/mole and the heat of reaction is 15 kcal/mole. The activation energy of the reaction B→A is

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a

20 kcal/mole

b

15 kcal/mole

c

10 kcal/mole

d

50 Kcal/mole

answer is D.

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Detailed Solution

+ΔE=Ef−Eb 15=65-EbEb=50 Kcal/mol
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An endothermic reaction A→B has an activation energy 65 kcal/mole and the heat of reaction is 15 kcal/mole. The activation energy of the reaction B→A is