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.Management Sciences
Category: Chemical Reaction
The molecularity and the order of reaction respectively, for the hydrolysis of methyl acetate in presence of acids are_______________?
A. 2 & 1
B. 11 & 2
C. 2 & 2
D. 1 & 1
Kinetics of a solid catalysed reaction can best be studied in a _________________ reactor?
A. Batch
B. Plug-flow
C. Mixed
D. None of these
Pick out the wrong statement?
A. Use of different catalysts in a reversible catalytic chemical reaction does not change the
equilibrium composition
B. Alumina is added as a promoter to iron catalyst in ammonia synthesis reaction
C. Activation energy for a reaction is obtained from the intercept of the Arrhenius plot
D. Presence of inerts affects the equilibrium conversion of
Pick out the correct statement ?
A. A catalyst does not change AH of the reaction
B. A catalyst changes the equilibrium point
C. Law of mass action was suggested by Le-Chatelier
D. The difference between the energy of reactants and that of the products is the activation
energy
Which of the following chemical reactions will be favoured by low pressure ?
A. 2HI ⇌ H2 + I2
B. N2O2 ⇌ 2NO2
C. N2 + O2 ⇌ 2NO
D. None of these
________________ resistance is not involved in the combustion of a carbon particle?
A. Gas film
B. Ash
C. Chemical reaction
D. None of these
The rate constant of a reaction depends on the __________________?
A. Initial concentration of reactants
B. Time of reaction
C. Temperature of the system
D. Extent of reaction
If the pore diffusion controls in a catalytic reaction, the apparent activation energy Ea is equal to___________________?
A. The intrinsic activation energy E
B. (E + ED) where ED is activation due to diffusion
C. (E + ED)/2
D. ED/2
Higher free energy of activation of a chemical reaction (at a given temperature) implies ____________________?
A. Slower rate of reaction
B. Higher rate of reaction
C. Higher equilibrium conversion
D. Both B. and C.
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