Chemical Reaction Engineering Questions

• The rate constant of a chemical reaction increases by 100 times when the temperature is increased from 400 °K to 500 °K. Assuming transition state theory is valid, the value of E/R is
• With decrease in temperature, the equilibrium conversion of a reversible endother-mic reaction
• A batch reactor is suitable for
• The dimensions of rate constant for reaction 3A → B are (l/gm mole)/min. Therefore the reaction order is
• If the time required to complete a definite fraction of reaction varies inversely as the concentration of the reactants, then the order of reaction is
• The reason why a catalyst increases the rate of reaction is that, it
• For a zero order chemical reaction, the
• A catalyst loses its activity due to
• For an isothermal variable volume batch reactor, the following relation is applicable for a first order irreversible reaction.
• Radioactive decay follows __________ order kinetics.
• 'If the catalyst pore size is small in comparison with the mean free path, collisions with the pore wall controls the process'. The diffusivity under this condition is called 'Knudsen diffusivity', which is affected by the
• In an exothermic chemical reaction, the reactants compared to the products have
• Which of the following is the most suitable for very high pressure gas phase reaction?
• For a reaction of the type, , the rate of reaction (- rx) is given by
• For high conversion in a highly exothermic solid catalysed reaction, use a __________ bed reactor.
• Specific rate constant for a second order reaction
• Pick out the wrong statement pertaining to space velocity of flow reactors.
• BET apparatus
• The most unsuitable reactor for carrying out reactions in which high reactant concentration favours high yields is
• Pick out the wrong statement.