Chemical Reaction Engineering Reaction rate of a first order reaction, which is half completed in 23 minutes will be 0.05 min⁻¹ 0.03 hr⁻¹ 0.03 sec⁻¹ 0.03 min⁻¹ 0.05 min⁻¹ 0.03 hr⁻¹ 0.03 sec⁻¹ 0.03 min⁻¹ ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Velocity of a chemical reaction Increases with increase of pressure of reactants for all reactions Decreases with increase in temperature Decreases with increase of reactant concentration None of these Increases with increase of pressure of reactants for all reactions Decreases with increase in temperature Decreases with increase of reactant concentration None of these ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering A typical example of an exothermic reversible reaction conducted at high pressure in industry is Polymerisation of ethylene Methanol synthesis Reformation of methane Dehydration of ethanol Polymerisation of ethylene Methanol synthesis Reformation of methane Dehydration of ethanol ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering A chemical reaction, A → 3B, is conducted in a constant pressure vessel. Starting with pure A, the volume of the reaction mixture increases 3 times in 6 minutes. The fractional conversion is 0.33 0.5 Data insufficient, can't be predicted 1 0.33 0.5 Data insufficient, can't be predicted 1 ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering A first order reaction A → B occurs in an isothermal porous catalyst pellet of spherical shape. If the concentration of A at the centre of the pellet is much less than at the external surface, the process is limited by External mass transfer Diffusion within the pellet Reaction None of these External mass transfer Diffusion within the pellet Reaction None of these ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Which of the following is not a theory of homogeneous reaction? None of these Chain reaction theory Collision theory and activated complex theory Radiation hypothesis None of these Chain reaction theory Collision theory and activated complex theory Radiation hypothesis ANSWER DOWNLOAD EXAMIANS APP
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