Q. Pick out the wrong statement.

View solution

Q. The reason why a catalyst increases the rate of reaction is that, it

View solution

Q. A first order irreversible reaction, A → B is carried out separately in a constant volume as well as in a variable volume reactor for a particular period. It signifies that __________ in the two reactors.

View solution

Q. Which of the following is the most suitable for very high pressure gas phase reaction ?

View solution

Q. The reaction between oxygen and organic material is a/an __________ reaction.

View solution

Q. With decrease in temperature, the equilibrium conversion of a reversible endother-mic reaction

View solution

Q. In an exothermic chemical reaction, the reactants compared to the products have

View solution

Q. Which of the following will give maximum gas conversion ?

View solution

Q. __________ explains the mechanism of catalysis.

View solution

Q. From among the following, choose one which is not an exothermic process.

View solution

Q. The fractional volume change of the system for the isothermal gas phase reaction, A → 3B , between no conversion and complete conversion is

View solution

Q. A catalyst

View solution

Q. In case of physical adsorption, the heat of adsorption is of the order of __________ kcal/kg.mole.

View solution

Q. The most unsuitable reactor for carrying out reactions in which high reactant concentration favours high yields is

View solution

Q. Pick out the wrong statement pertaining to space velocity of flow reactors.

View solution

Q. A reactor is generally termed as an autoclave, when it is a

View solution

Q. 6 gm of carbon is burnt with an amount of air containing 18 gm oxygen. The product contains 16.5 gms CO₂ and 2.8 gms CO besides other constituents. What is the degree of conversion on the basis of disappearance of limiting reactant ?

View solution

Q. The rate constant of a chemical reaction decreases by decreasing the

View solution

Q. __________ is the response curve for a step input signal from a reactor.

View solution

Q. '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

View solution