Chemical Reaction Engineering
In which of the following reactions, thee-quilibrium will shift to the right, if the total pressure is increased?

H₂ + I₂ ⇋ 2HI
N₂ + O₂ ⇋ 2NO
N₂O₄ ⇋ 2 NO₂
H₂ + Cl₂ ⇋ 2HCl

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Chemical Reaction Engineering
The experimentally determined overall order of the reaction, A + B → C + D, is two. Then the

Reaction may be elementary with molecularity of 2
Reaction is elementary with a molecularity of 2
Reaction is elementary but the molecularity may not be 2
Molecularity of the reaction is 2, but the reaction may not be elementary

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Chemical Reaction Engineering
Promoter.

Atlers the position of equilibrium in a reversible reaction
All of these
Initiates a chemical reaction and is a catalyst by itself
Increases the number of active centres by increasing the unevenness of catalyst surface and by creating discontinuities in the crystals

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Chemical Reaction Engineering
Brunaur, Emmet and Teller (BET) equation is used to determine the specific surface area of a porous particle but not the pore volume & the porosity of the catalyst bed. Which of the following postulates is not used to derive BET equation?

Langmuir
The adsorbed layer may be polymolecular in thickness and the heat of adsorption in each layer (except the first one) is involved in each of the evaporation process
There is no dynamic equilibrium between successive layer
None of these

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