A rise in temperature ______________________?

A. Normally tends to increase the reaction rate
B. Does not affect a catalysed reaction
C. Does not affect photo-chemical reaction rates
D. All A., B. and C.

If ‘n’ is the order of reaction, then unit of rate constant is _________________?

A. 1/(time)(concentration)n – 1
B. (Time)-1 (concentration)n – 1
C. (Time)n – 1 (concentration)
D. None of these

Kinetics of a solid catalysed reaction can best be studied in a _________________ reactor?

A. Batch
B. Plug-flow
C. Mixed
D. None of these

For a tubular reactor with space time ‘η’ and residence time ‘ζ’, the following statement holds good ?

A. η and θ are always equal
B. η = θ, when the fluid density changes in the reactor
C. η = θ, for an isothermic tubular reactor in which the density of the process fluid is constant
D. η = θ, for a non-isothermal reactor

The catalyst in a first order chemical reaction changes the_________________?

A. Equilibrium constant
B. Activation energy
C. Heat of formation of the product
D. Heat of reaction

In chamber process of sulphuric acid manufacture in industry, the gas phase oxidation of SO2 to SO3 is accomplished by a ______________ reaction ?

A. Non-catalytic homogeneous
B. Non-catalytic heterogeneous
C. Catalytic homogenous
D. Catalytic heterogeneous

For a tubular flow reactor with uniform concentration and temperature, the independent variable is___________________?

A. Time
B. Length
C. Diameter
D. None of these

Differential method for analysing the kinetic data is used ___________________?

A. For testing complicated mechanisms
B. When the data are scattered
C. When rate expressions are very simple
D. None of these

Which of the following is not endothermic in nature ?

A. Combustion of sulphur
B. Gasification of carbon
C. Thermal cracking of fuel oil
D. Steam reforming of naphtha

The reaction in which one of the products of reaction acts as a catalyst is called a/an ______________ reaction?

A. Biochemical
B. Photochemical
C. Catalytic
D. Autocatalytic