Chemical Reaction Engineering The minimum energy required to allow a chemical reaction to proceed is termed as the 'threshold energy '. Chemical reaction with low activation energy are Mostly irreversible Highly temperature sensitive Always irreversible Insensitive to temperature changes Mostly irreversible Highly temperature sensitive Always irreversible Insensitive to temperature changes ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering The reason why a catalyst increases the rate of reaction is that, it Decreases the molecular collision diameter Increases the activation energy None of these Decreases the energy barrier for reaction Decreases the molecular collision diameter Increases the activation energy None of these Decreases the energy barrier for reaction ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Collision theory gives the rate constant for bimolecular reaction as None of these K α √T.e-E/RT K α eE/RT K α e-E/RT None of these K α √T.e-E/RT K α eE/RT K α e-E/RT ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Which of the following is the most suitable for very high pressure gas phase reaction? Stirred tank reactor Fluidised bed reactor Batch reactor Tubular flow reactor Stirred tank reactor Fluidised bed reactor Batch reactor Tubular flow reactor ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering If Thiele modulus is __________ , then the pore diffusion resistance in a catalyst may be considered as negligible. 0 ∞ > 0.5 < 0.5 0 ∞ > 0.5 < 0.5 ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Organic catalysts differ from the inorganic catalyst in the sense that the former is Proteinous in nature Active at very high temperature only Prohibitively costly Active at cryogenic temperatures only Proteinous in nature Active at very high temperature only Prohibitively costly Active at cryogenic temperatures only ANSWER DOWNLOAD EXAMIANS APP
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