A catalyst increases rate of reaction by: (a) Decreasing enthalpy (b) Decreasing activation ener

step 1 in this question we need to explain what is going to be the role of a catalyst in the inner reac

A catalyst increases rate of reaction by: (a) Decreasing...

Key Concepts

Catalyst

A catalyst is a substance that increases the rate of a chemical reaction without being consumed in the process. It functions by providing an alternate reaction pathway with a different mechanism, usually one that involves a lower activation energy, thereby accelerating the reaction without altering the overall energy balance of the reaction.

Activation Energy

Activation energy is the minimum amount of energy required to initiate a chemical reaction. It acts as an energy barrier that reactant molecules must overcome to form products. By lowering the activation energy, a catalyst increases the proportion of reactant molecules with sufficient energy to react, thereby enhancing the reaction rate.

Reaction Rate

The reaction rate is the speed at which a chemical reaction proceeds. It is influenced by factors such as temperature, concentration, and activation energy. By decreasing the activation energy, a catalyst effectively increases the rate at which reactants transform into products, leading to a faster overall reaction.

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