Equal in size
Of different sizes
Of such size that the ratio of their volumes is < 5
None of these
✅ The correct answer is option A.
Chemical Engineering MCQs
For an ideal gas mixture undergoing a reversible gaseous phase chemical reaction, the equilibrium constant
Is independent of pressure
Increases with pressure
Decreases with pressure
Increases /decreases with pressure depending on the stoichiometric co-efficients of the reaction
✅ The correct answer is option B.
A chemical reaction occurs, when the energy of the reacting molecules is __________ the activation energy of reaction.
Less than
Equal to
More than
Equal to or more than
✅ The correct answer is option D.
B.E.T. method can be used to determine the __________ of a porous catalyst.
Solid density
Pore volume
Surface area
All of the above
✅ The correct answer is option C.
The rate constant of a chemical reaction increases by increasing the
Temperature
Pressure
Reactant’s concentration
None of these
✅ The correct answer is option A.
An imbalanced chemical reaction equation is against the law of
Multiple proportion
Conservation of mass
Constant proportion
None of these
✅ The correct answer is option B.
Velocity of a reaction depends upon the
Nature of the reactants
Concentration of the reactants
Temperature at which the reaction is carried
All of the above
✅ The correct answer is option D.
Shift conversion reaction
Converts N₂ and H₂ into NH₃
Converts CO to CO₂ with steam
Is non-catalytic
Is highly exothermic
✅ The correct answer is option B.
Given, 3H₂ + CO = CH₄ + H₂O, KP = 101.84 and, 4H₂ + CO₂ = CH₄ + 2H₂O, KP = 101.17 the KP for the reaction CO + H₂O = CO₂ + H₂ is
103.01
10-0.67
10-3.01
L00.67
✅ The correct answer is option D.
In the gaseous phase ammonia formation reaction (N₂ + 3H₂ ⇋ 2NH₃), the value of the equilibrium constant depends on the
Total pressure of the system
Volume of the reactor
Temperature
Initial concentration of N₂ and H₂
✅ The correct answer is option C.