The excess energy of reactants in a chemical reaction required to dissociate into products is termed as the __________ energy. Activation Potential Binding Threshold TRUE ANSWER : ? YOUR ANSWER : ?
The reaction A → B is conducted in an isothermal batch reactor. If the conversion of A increases linearly with holding time, then the order of the reaction is 1.5 0 2 1 TRUE ANSWER : ? YOUR ANSWER : ?
Exposure of a photographic plate to produce a latent image is an example of __________ reaction. Very fast Photochemical Very slow Both B and C TRUE ANSWER : ? YOUR ANSWER : ?
With increase in temperature, the equilibrium conversion of a reversible exothermic reaction Remains unaffected Decreases Decreases linearily with temperature Increases TRUE ANSWER : ? YOUR ANSWER : ?
A first order reaction is to be treated in a series of two mixed reactors. The total volume of the two reactors is minimum, when the reactors are Of different sizes Of such size that the ratio of their volumes is < 5 Equal in size None of these TRUE ANSWER : ? YOUR ANSWER : ?
For the liquid phase zero order irreversible reaction A → B, the conversion of A in a CSTR is found to be 0.3 at a space velocity of 0.1min⁻¹ . What will be the conversion for a PFR with a space velocity of 0.2 min⁻¹? Assume that all the other operating conditions are the same for CSTR and PFR. 0.9 0.6 0.15 0.3 TRUE ANSWER : ? YOUR ANSWER : ?
The value of 'n' for a chemical reaction A → B, whose reaction rate is → CAn, will be __________ if the rate of the reaction increases by a factor of 8, when the concentration of is doubled. 1 3 2 TRUE ANSWER : ? YOUR ANSWER : ?
For a zero order reaction, the concentration of product increases with the Total pressure Increase in initial concentration Decrease in total pressure Increase of reaction time TRUE ANSWER : ? YOUR ANSWER : ?
The increase in the rate of reaction with temperature is due to Increase in the average kinetic energy of the reacting molecules Decrease in activation energy None of these Increase in the number of effective collisions TRUE ANSWER : ? YOUR ANSWER : ?
The reaction between oxygen and organic material is a/an __________ reaction. Exothermic Endothermic Biochemical Photochemical TRUE ANSWER : ? YOUR ANSWER : ?