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.Management Sciences
Category: Chemical Reaction
In a chemical reaction, _____________________ are conserved?
0
A. Ions
B. Masses
C. Atoms
D. Both B. & C.
At a given temperature, K1, K2 and K3 are equilibrium constants for the following reactions 1, 2, 3 respectively. CH4(g) + H2O(g) ⇌ CO(g) + 3H2(g), CO(g) + H2O(g) ⇌ CO2(g) + H2(g) CH4(g) + 2H2O(g) ⇌ CO2(g) + 4H2(g) Then K1, K2 and K3 are related as ?
A. K3 = K1.K2
B. K3 = (K1.K2)0.5
C. K3(K1+K2)/2
D. K3 = (K1.K2)2
______________ explains the mechanism of catalysis?
A. Activated complex theory
B. Collision theory
C. Thermodynamics
D. None of these
Vegetable oils are hydrogenated in a _______________ reactor?
A. Slurry
B. Plug flow
C. Homogeneous catalytic
D. None of these
The size of plug flow reactor (PFR) for all positive reaction orders and for any given duty, is _____________________ that of mixed reactor?
A. Greater than
B. Equal to
C. Smaller than
D. Unpredictable from the data
The role of a catalyst in a chemical reaction is to change the__________________?
A. Equilibrium constant
B. Activation energy
C. Final products
D. Heat of reaction
An endothermic second order reaction is carried out in an adiabatic plug flow reactor. The rate of heat generation is ___________________?
A. Maximum at the inlet of the reactor
B. Maximum at the exit of the reactor
C. Maximum at the centre of the reactor
D. Constant throughout the reactor
Chemical kinetics can predict the _______________ of a chemical reaction?
A. Rate
B. Feasibility
C. Both A. & B.
D. Neither A. nor B.
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