Chemical Reaction Engineering A first order reaction A → B occurs in an isothermal porous catalyst pellet of spherical shape. If the concentration of A at the centre of the pellet is much less than at the external surface, the process is limited by None of these Diffusion within the pellet External mass transfer Reaction None of these Diffusion within the pellet External mass transfer Reaction ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering In a first order reaction, the time required to reduce the concentration of reactant from 1 mole/litre to 0.5 mole/litre will be __________ that required to reduce it from 10 moles/litre to 5 moles/litre in the same volume. More than Same as Less than Data insufficient; can't be predicted More than Same as Less than Data insufficient; can't be predicted ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering A chemical reaction occurs when the energy of the reacting molecules is __________ the activation energy of the reaction. More than Equal to or more than Equal to Less than More than Equal to or more than Equal to Less than ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering In case of a/an __________ chemical reaction, conversion increases with the rise in temperature. Irreversible endothermic Irreversible exothermic Reversible endothermic Reversible exothermic Irreversible endothermic Irreversible exothermic Reversible endothermic Reversible exothermic ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering The percent conversion of ethanol in the reactor is 2.5 97.5 95 100 2.5 97.5 95 100 ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Which of the following chemical reactions will be favoured by low pressure ? 2HI ⇋ H₂ + I₂ N₂O₂ ⇋ 2NO₂ None of these N₂ + O₂ ⇋ 2NO 2HI ⇋ H₂ + I₂ N₂O₂ ⇋ 2NO₂ None of these N₂ + O₂ ⇋ 2NO ANSWER DOWNLOAD EXAMIANS APP
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