Chemical Reaction Engineering A rise in temperature Does not affect a catalysed reaction Does not affect photo-chemical reaction rates All of these Normally tends to increase the reaction rate Does not affect a catalysed reaction Does not affect photo-chemical reaction rates All of these Normally tends to increase the reaction rate ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering In the hydrodealkylation of toluene to benzene, the following reactions occur:C₇H₈ + H₂ → C₆H₆ + CH₄2C₆H₆ ⇋ C₁₂H₁₀ + H₂Toluene and hydrogen are fed to a reactor in a molar ratio 1:5.80% of the toluene gets converted and the selectivity of benzene(defined as moles of benzene formed/moles of toluene converted) is 90%. The fractional conversion of hydrogen is 0.136 0.152 0.144 0.16 0.136 0.152 0.144 0.16 ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering At a given value of E/R (ratio of activation energy and gas constant), the ratio of the rate constants at 500°K and 400°K is 2, if Arrhenious law is used. What will be this ratio, if transition state theory is used with the same value of E/R? 2.5 2.24 1.6 2 2.5 2.24 1.6 2 ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering __________ is the controlling step in a highly temperature sensitive fluid-solid non-catalytic reaction. Gas film diffusion Chemical reaction Ash diffusion None of these Gas film diffusion Chemical reaction Ash diffusion None of these ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering What is the order of a chemical reaction whose rate is deter-mined by the variation of one concentration term only? Second Third First Zero Second Third First Zero ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Kinetics of a catalytic reaction can be best studied on a/an __________ reactor. Either A, B and C Integral (plug flow) Mixed Differential (flow) Either A, B and C Integral (plug flow) Mixed Differential (flow) ANSWER DOWNLOAD EXAMIANS APP
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