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Chemical Engineering · all questions

Chemical Reaction Engineering
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Which of the following is not a unit of reaction rate?

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Overall rate of reaction in a heterogenous catalytic reaction depends upon the mass and energy transfer from the fluid to solid surface and its rate of reaction is usually __________ the concentration of catalyst, if it does not entail a chain mechanism.

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Conversion increases with increase in temperature in case of a an __________ reaction.

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Half life period of decomposition of a liquid 'A' by irreversible first order reaction is 12 minutes. The time required for 75% conversion of 'A' is __________ minutes.

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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?

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There is no correspondence between stoichiometry and the rate equation in case of a/an __________ reaction.

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For a zero order reaction, the concentration of product increases with the

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The conversion for a first order liquid phase reaction. A → B in a CSTR is 50%. If another CSTR of the same volume is connected in series, then the % conversion at the exit of the second reactor will be

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The rate constant of a first order reaction depends on the

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For all positive reaction orders for a particular duty,

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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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In solid catalysed reactions the diffusional effects are more likely to affect the overall rate of reaction for

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For a mixed flow reactor operating at steady state, the rate of reaction is given by

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The catalyst in a second order reversible reaction increases the rate of the forward reaction

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A photochemical reaction is __________ light.

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The rate constant of a reaction is a function of the

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With increase in the space time of an irreversible isothermal reaction being carried out in a P.F. reactor, the conversion will

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The rate at which a chemical substance reacts is proportional to its

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The rate at which a chemical substance reacts is proportional to its

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A first order reaction requires two equal sized CSTR. The conversion is

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