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Q.

For an endothermic reaction energy of activation is Ea and enthalpy of reaction is

 ΔH (both in kJ mol–1) . Minimum value of Ea will be

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a

<ΔH

b

=ΔH

c

= 0

d

>ΔH

answer is C.

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Detailed Solution

detailed_solution_thumbnail

Ea  > ΔH

For endothermic reactions Energy of products(Ep) is greater than energy of reactants(ER) 

Ea for forward reaction = ∆H+Ea for back ward reaction

Ea > ∆H

 

 

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