Chemical Reaction Engineering The energy of activation of a chemical reaction Is the minimum energy which the molecules must have before the reaction can take place Is same as heat of reaction at constant pressure Varies as fifth power of the temperature Both B and C Is the minimum energy which the molecules must have before the reaction can take place Is same as heat of reaction at constant pressure Varies as fifth power of the temperature Both B and C ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering A catalyst loses its activity due to Loss in surface area of the active component All of these Covering of the catalytic active sites by a foregin substance Agglomeration of metal particles caused by thermal sintering of the solid surface Loss in surface area of the active component All of these Covering of the catalytic active sites by a foregin substance Agglomeration of metal particles caused by thermal sintering of the solid surface ANSWER DOWNLOAD EXAMIANS APP
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 Always irreversible Highly temperature sensitive Insensitive to temperature changes Mostly irreversible Always irreversible Highly temperature sensitive Insensitive to temperature changes Mostly irreversible ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Collision theory gives the rate constant for bimolecular reaction as K α √T.e-E/RT K α e-E/RT None of these K α eE/RT K α √T.e-E/RT K α e-E/RT None of these K α eE/RT ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Find a mechanism that is consistent with the rate equation and reaction given below: 2A + B → A₂B, ( - rA) = k.CA.CB A + B ⇋ AB;AB + A → A₂B A + B ⇋ AB ; AB + A → A₂B A + A ⇋ AA;AA + B → A₂B A + A ⇋ AA;AA + B → A₂B A + B ⇋ AB;AB + A → A₂B A + B ⇋ AB ; AB + A → A₂B A + A ⇋ AA;AA + B → A₂B A + A ⇋ AA;AA + B → A₂B ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering With decrease in temperature, the equilibrium conversion of a reversible endother- mic reaction Remains unaffected Decreases Increases Increases linearly with temperature Remains unaffected Decreases Increases Increases linearly with temperature ANSWER DOWNLOAD EXAMIANS APP
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