Q. 'Unreacted core model' represents the reaction involving

View solution

Q. The effect of increasing pressure on the gaseous equilibrium of the reaction 2X+3Y ↔ 3X+2Y indicates that

View solution

Q. If in the gaseous phase reaction, N₂O₄ ↔ 2NO₂, x is the part of N₂O₄ which dissociates, then the number of molecules at equilibrium will be

View solution

Q. A batch reactor is characterised by

View solution

Q. When a catalyst increases the rate of forward reaction, the value of rate constant

View solution

Q. Rate determining step in a reaction consisting of a number of steps in series is the __________ step.

View solution

Q. The reaction in which one of the products of reaction acts as a catalyst is called a/an __________ reaction.

View solution

Q. A typical example of an exothermic reversible reaction conducted at high pressure in industry is

View solution

Q. Study of chemical kinetics is the easiest in the case of __________ reactions.

View solution

Q. In autocatalytic reactions,

View solution

Q. Semibatch reactor is preferred, when a/an

View solution

Q. Exposure of a photographic plate to produce a latent image is an example of __________ reaction.

View solution

Q. For identical flow rate, feed composition and for elementary first order reactions, 'N' equal sized mixed reactors in series with a total volume 'V' gives the same conversion as a single plug flow reactor of volume 'V' for constant density systems. This is true, when the value of 'N' is

View solution

Q. Helium-mercury method is used for the measurement of the __________ of the catalyst.

View solution

Q. What is the order of a chemical reaction whose rate is deter-mined by the variation of one concentration term only ?

View solution

Q. Pick out the wrong statement.

View solution

Q. Arrhenious equation represents graphically the variation between the __________ and temperature.

View solution

Q. __________ catalytic reaction is involved in the thermal cracking of gas oil.

View solution

Q. Variables affecting the rate of homogeneous reactions are

View solution

Q. A chemical reaction occurs when the energy of the reacting molecules is __________ the activation energy of the reaction.

View solution