EXAMIANS
If the pore diffusion controls in a catalytic reaction, the apparent activation energy Ea is equal to
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When all the limiting reactant is consumed in the reaction, the operational yield __________ the relative yield.
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Oil is hydrogenated using nickel catalyst in a __________ reactor.
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Transition state theory gives the rate constant as
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The rate constant of a chemical reaction increases by 100 times when the temperature is increased from 400 °K to 500 °K. Assuming transition state theory is valid, the value of E/R is
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A first order reaction requires two unequal sized CSTR. Which of the following gives higher yield ?
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Fluidised bed reactor is characterised by
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If n = overall order of a chemical reaction. a = initial concentration of reactant. t = time required to complete a definite fraction of the reaction. Then pick out the correct relationship.
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What is the unit of the rate constant in a chemical reaction in which 10% of the reactant decomposes in one hour, 20% in two hours, 30% in three hours and so on?
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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
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