Chemical Reaction Engineering The reactions of high molecularity are rare, because Of requirement of very large concentration for such reactions Many body collisions are not favoured energetically Of low probability of many body collisions Of very large activation energy of many bodies Of requirement of very large concentration for such reactions Many body collisions are not favoured energetically Of low probability of many body collisions Of very large activation energy of many bodies 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 Highly temperature sensitive Insensitive to temperature changes Always irreversible Mostly irreversible Highly temperature sensitive Insensitive to temperature changes Always irreversible Mostly irreversible ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering If the pore diffusion controls in a catalytic reaction, the apparent activation energy Ea is equal to (E + ED)/2 (E + ED) where ED is activation due to diffusion The intrinsic activation energy E ED/2 (E + ED)/2 (E + ED) where ED is activation due to diffusion The intrinsic activation energy E ED/2 ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering __________ gas is normally employed in B.E.T.method of finding out the surface area of catalyst. N₂ H₂ He CO₂ N₂ H₂ He CO₂ ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering For the reaction, A + B → 2B + C, rA = 2rB rA = -rB rA = rB/2 rA = rB rA = 2rB rA = -rB rA = rB/2 rA = rB ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering With increase in temperature, the equilibrium __________ rises in case of endothermic reaction. Conversion Constant Neither A nor B Both A & B Conversion Constant Neither A nor B Both A & B ANSWER DOWNLOAD EXAMIANS APP