AIIMS 2017 Chemistry Enthalpy Changes Assertion Reason Question
For the reaction:
the formation of will be favoured at:
low temperature, high pressure
high temperature, low pressure
low temperature, low pressure
high temperature, high pressure
Correct Answer
Detailed Explanation
When the change in enthalpy (ΔH) for a reaction is less than zero, it indicates that the reaction is exothermic, favoring the formation of products like AB at low temperatures, where the system can release heat efficiently. Additionally, high pressure favors the formation of products when there are fewer moles of gas on the product side compared to the reactants, enhancing the stability of AB. The other options are not applicable as they do not provide relevant information or alternative scenarios that contradict the principles of thermodynamics and Le Chatelier's principle.
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