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Chemical Engineering · all questions

Chemical Reaction Engineering
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The rate constant of a chemical reaction increases by increasing the

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Knudsen diffusion is directly proportional to

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Pure A in gas phase enters a reactor 50% of this A is converted to B through the reaction, A → 3B. Mole fraction of A in the exit stream is

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For a solid catalysed chemical reaction, the effectiveness of solid catalyst depends upon the __________ adsorption.

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When a catalyst increases the rate of forward reaction, the value of rate constant

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In the hydrodealkylation of toluene to benzene, the following reactions occur:
C7H8 + H2 → C6H6 + CH4
2C6H6 ⇋ C12H10 + H2
Toluene 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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Half-life period for a first order reaction is __________ the initial concentration of the reactant.

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What is the order of a chemical reaction whose rate is deter-mined by the variation of one concentration term only?

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Which of the following curves shows the effect of temperature on the extent of gas-solid adsorption at a given pressure?

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Transition state theory gives the rate constant as

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A plug-flow reactor is characterised by

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Pick out the correct statement

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On application of pressure to the equilibrium system, ice ⇋ water; which of the following phenomenon will occur?

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The excess energy of the reactants required to dissociate into products is known as the __________ energy.

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Radioactive decay follows __________ order kinetics.

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__________ is the response curve for a step input signal from a reactor.

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The conversion in a mixed reactor/accomplishing a reaction A 3R is 50% when gaseous reactant 'A' is introduced at the rate of 1 litre/second and the leaving flow rate is 2 litres/second. The holding time for this operation is __________ second.

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Pick out the wrong statement.

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Pick out the wrong statement.

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Pick out the wrong statement.

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