Chemical Reaction Engineering Threshold energy in a reaction is equal to the Sum of A & B Normal energy of reactants Activation energy Neither A nor B Sum of A & B Normal energy of reactants Activation energy Neither A nor B ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Half life period of a chemical reaction is Half of the space time of a reaction None of these Half of the residence time of a reaction The time required to reduce the concentration of the reacting substance to half its initial value Half of the space time of a reaction None of these Half of the residence time of a reaction The time required to reduce the concentration of the reacting substance to half its initial value ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering For the chemical reaction X → Y, it is observed that, on doubling the concentration of 'X', the reaction rate quadruples. If the reaction rate is proportional to Cxn, then what is the value of 'n' ? 4 43834 2 16 4 43834 2 16 ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering When an exothermic reversible reaction is conducted adiabatically, the rate of reaction Passes through a minimum Continuously increases Passes through a maximum Continuously decreases Passes through a minimum Continuously increases Passes through a maximum Continuously decreases ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering For an isothermal second order aqueous phase reaction, A → B, the ratio of the time required for 90% conversion to the time required for 45% conversion is 4 11 22 2 4 11 22 2 ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering The effectiveness factor for large value of Thiele modulus (L√(K/D1)) of a solid catalysed first order reaction is equal to (where, L = length of the reactor, cm, D1 = diffusion co-efficient, cm²/second) 1 1/(L√(K/D1)) L√(K/D1) ∞ 1 1/(L√(K/D1)) L√(K/D1) ∞ ANSWER DOWNLOAD EXAMIANS APP
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