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Which effect results from increasing temperature in exothermic reversible reaction vessel?

A)Reverse reaction becomes faster
B)Concentration reactants decreases
C)Equilibrium remains unchanged initially
D)Forward reaction becomes faster

💡 Explanation

Increasing temperature in an exothermic reaction pushes the equilibrium towards the reactants by Le Chatelier's principle, increasing the rate of the reverse endothermic reaction more than the forward. Therefore the reverse reaction becomes faster, rather than unchanged, or the concentration of the reactants decreases requiring endothermic reaction already progressed.

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