Chemical Reaction Engineering In chamber process of sulphuric acid manufacture in industry, the gas phase oxidation of SO₂ to SO₃ is accomplished by a __________ reaction. Non-catalytic homogeneous Catalytic homogenous Non-catalytic heterogeneous Catalytic heterogeneous Non-catalytic homogeneous Catalytic homogenous Non-catalytic heterogeneous Catalytic heterogeneous ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Effectiveness factor (E) of a catalyst pellet is defined as, E = (actual rate within pore of catalyst/rate if notsnowed by pore diffusion) Effectiveness factor for a first order reaction is given by (where, T = Thiele modulus) Tan hT/tan T Tan T/T None of these Tan hT/T Tan hT/tan T Tan T/T None of these Tan hT/T ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering The value of steric factor 'P' in the equation k = PZeE/RT usually ranges from L.0 to 10⁻⁸ 0.1 to 0.9 None of these L.l.to 10² L.0 to 10⁻⁸ 0.1 to 0.9 None of these L.l.to 10² ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering The units of frequency factor in Arhenious equation Depend on the order of the reaction Depend on temperature, pressure etc. of the reaction Are cycles per unit time Are the same as those of the rate constant Depend on the order of the reaction Depend on temperature, pressure etc. of the reaction Are cycles per unit time Are the same as those of the rate constant ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Exposure of a photographic plate to produce a latent image is an example of __________ reaction. Very slow Very fast Photochemical Both B and C Very slow Very fast Photochemical Both B and C ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering The use of space time is preferred over the mean residence time in the design of a/an Batch reactor Slurry reactor CSTR Ideal tubular-flow reactor Batch reactor Slurry reactor CSTR Ideal tubular-flow reactor ANSWER DOWNLOAD EXAMIANS APP