Chemical Reaction Engineering To maximise the formation of R in the simultaneous reactionA + B → R , rR = 2CA0.5.CB2 A + B → S , rS = 1.5 CA . CB We should have High CA, low CB Low CA, high CB High CA, high CB Low CA, low CB High CA, low CB Low CA, high CB High CA, high CB Low CA, low CB ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Exposure of a photographic plate to produce a latent image is an example of __________ reaction. Very slow Very fast Both B and C Photochemical Very slow Very fast Both B and C Photochemical ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering When the reaction is dominated by in-traparticle diffusion, the apparent order of reaction (nD) as measured is related to the true order (n) as None of these ND = n/2 ND = n + 1 ND = (n + 1)/2 None of these ND = n/2 ND = n + 1 ND = (n + 1)/2 ANSWER DOWNLOAD EXAMIANS APP
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 External mass transfer Reaction Diffusion within the pellet None of these External mass transfer Reaction Diffusion within the pellet ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering The equilibrium constant of chemical reaction __________ in the presence of catalyst. Remains unaffected Increases Can either increase or decrease (depends on the type of catalyst) Decreases Remains unaffected Increases Can either increase or decrease (depends on the type of catalyst) Decreases ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering From Arhenius law, a plot of loge K versus 1/T gives a straight line with a slope of (-E/R). The unit of E/R is K cal. °K °K K cal K cal/°K K cal. °K °K K cal K cal/°K ANSWER DOWNLOAD EXAMIANS APP