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Question
An exothermic chemical process occurs in two steps as follows:
(i) A+B→X (slow)
(ii) X→AB (fast)
The energy profile that best suits this process is:
An exothermic chemical process occurs in two steps as follows:
(i) A+B→X (slow)
(ii) X→AB (fast)
The energy profile that best suits this process is:
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Solution
The correct option is C
The given reaction is exothermic which indicates that the energy of the product should be lower than the energy of the reactants.
In option (b) and (d), the energy of the products is higher than the reactants, these are incorrect. The first step of the reaction is the slowest step, its activation energy will be more that the second step. Which lead us to the correct option i.e.(c)
The given reaction is exothermic which indicates that the energy of the product should be lower than the energy of the reactants.
In option (b) and (d), the energy of the products is higher than the reactants, these are incorrect. The first step of the reaction is the slowest step, its activation energy will be more that the second step. Which lead us to the correct option i.e.(c)
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