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Chemical Kinetics question

2021 · Q114
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Chemical Kinetics question

2021 · Q114

NEETChemistryChemical KineticsMCQ+4 / −1
For a reaction, A →\to→ B, enthalpy of reaction is −-−4.2 kJ mol−-−1 and enthalpy of activation is 9.6 kJ mol−-−1. The correct potential energy profile for the reaction is shown in option.
  1. A
    NEET 2021 Chemistry - Chemical Kinetics Question 16 English Option 1
  2. B
    NEET 2021 Chemistry - Chemical Kinetics Question 16 English Option 2
  3. C
    NEET 2021 Chemistry - Chemical Kinetics Question 16 English Option 3
  4. D
    NEET 2021 Chemistry - Chemical Kinetics Question 16 English Option 4
View written solutionFree

Correct answer: B

The enthalpy of reaction is negative, – 4.2 kJ mol−1 . The reaction is an exothermic reaction i.e. the energy of product B, is less than the energy of reactant A. So, the potential energy profile for the reaction is

NEET 2021 Chemistry - Chemical Kinetics Question 16 English Explanation

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