The factors affecting the rate of homogeneous reaction are ____(a) Temperature only(b) Pressure only(c) Reactant Concentration only(d) Temperature, pressure and reactant concentrationThe question was asked in an international level competition.Asked question is from Reaction Rates in chapter Basic Concepts of Chemical Reaction Engineering

The factors affecting the rate of homogeneous reaction are ____(a) Tem

1.	The factors affecting the rate of homogeneous reaction are ____(a) Temperature only(b) Pressure only(c) Reactant Concentration only(d) Temperature, pressure and reactant concentrationThe question was asked in an international level competition.Asked question is from Reaction Rates in chapter Basic Concepts of Chemical Reaction Engineering
Answer» CORRECT answer is (d) Temperature, pressure and reactant CONCENTRATION To explain: The rate constant in the rate expression is a function of temperature. INCREASING pressure DECREASES the COLLISIONS between reactant molecules. This decreases the rate of reaction. Increasing the initial concentration of reactant increases the reaction rate. Hence, reaction rate is controlled by temperature and pressure conditions and initial concentration of reactant.

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