The importance of diffusion in a catalyst are increased by All of these Small pore diameter An active surface of the catalyst Large catalyst particle size TRUE ANSWER : ? YOUR ANSWER : ?
Which of the following is the optimum operating condition for an exothermic reversible reaction taking place in a plug-flow reactor? Very low temperature should be used throughout the reaction Temperature should be high in the beginning and decreased towards the end of the reaction Very high temperature should be used throughout the reaction None of these TRUE ANSWER : ? YOUR ANSWER : ?
The enzyme which can catalyse the conversion of glucose to ethyl alcohol is Zymase Invertase Diastase Maltase TRUE ANSWER : ? YOUR ANSWER : ?
Participation of __________ is involved in the occurrence of a chemical reaction. None of these Neutrons Protons Electrons TRUE ANSWER : ? YOUR ANSWER : ?
An endothermic aqueous phase first order irreversible reaction is carried out in an adiabatic plug flow reactor. The rate of reaction Goes through a minimum along the length of the reactor Is maximum at the exit of the reactor Goes through a maximum along the length of the reactor Is maximum at the inlet of the reactor TRUE ANSWER : ? YOUR ANSWER : ?
From Arhenius law, a plot of loge K versus 1/T gives a straight line with a slope of (-E/R). The unit of E/R is K cal/°K °K K cal. °K K cal TRUE ANSWER : ? YOUR ANSWER : ?
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 0.152 0.144 0.16 0.136 TRUE ANSWER : ? YOUR ANSWER : ?
In a/an __________ vessel, the fluid enters and leaves following plug flow. Close-opened Open Open-closed Closed TRUE ANSWER : ? YOUR ANSWER : ?
What is the value of 'n' if the reaction rate of the chemical reaction A → B, is proportional to CAn and it is found that the reaction rate triples, when the concentration of 'A' is increased 9 times ? 3 1/2 1/9 1/3 TRUE ANSWER : ? YOUR ANSWER : ?