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 + A ⇋ AA;AA + B → A₂B A + B ⇋ AB ; AB + A → A₂B A + A ⇋ AA;AA + B → A₂B A + B ⇋ AB;AB + A → A₂B A + A ⇋ AA;AA + B → A₂B A + B ⇋ AB ; AB + A → A₂B A + A ⇋ AA;AA + B → A₂B A + B ⇋ AB;AB + A → A₂B ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering A first order reaction requires two unequal sized CSTR. Which of the following gives higher yield ? Either of the arrangement A or B will give the same yield Large reactor followed by smaller one Smaller reactor followed by larger one Data insufficient, can Either of the arrangement A or B will give the same yield Large reactor followed by smaller one Smaller reactor followed by larger one Data insufficient, can ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering In solid catalysed reactions the diffusional effects are more likely to affect the overall rate of reaction for Fast reactions in catalyst of small pore diameter Fast reaction in catalyst of large pore diameter Slow reactions in catalyst of large pore diameter Slow reactions in catalyst of small pore diameter Fast reactions in catalyst of small pore diameter Fast reaction in catalyst of large pore diameter Slow reactions in catalyst of large pore diameter Slow reactions in catalyst of small pore diameter ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering The concentration of A in a first order reaction, A → B, decreases Very abruptly towards the end of the reaction Logarithmically with time Linearly with time Exponentially with time Very abruptly towards the end of the reaction Logarithmically with time Linearly with time Exponentially with time ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Which of the following is a controlling factor in very fast heterogeneous reaction? Temperature Heat and mass transfer effects Pressure Composition of reactant Temperature Heat and mass transfer effects Pressure Composition of reactant ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering If the catalyst pore size is small in comparison with the mean free path, collisions with the pore wall controls the process'. The diffusivity under this condition is called 'Knudsen diffusivity', which is affected by the Pressure Neither A nor B Temperature Both A & B Pressure Neither A nor B Temperature Both A & B ANSWER DOWNLOAD EXAMIANS APP
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