Chemical Reaction Engineering
In which of the following gaseous phase reversible reactions, the product yield can not be increased by the application of high pressure?

PCl3 + Cl₂ ⇋ PCl5
N₂ + O₂ ⇋ 2NO
N + 3H₂ ⇋ 2NH₃
2SO₂ + O₂ ⇋ 2SO₃

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Chemical Reaction Engineering
In solid catalysed reactions the diffusional effects are more likely to affect the overall rate of reaction for

Slow reactions in catalyst of large pore diameter
Slow reactions in catalyst of small pore diameter
Fast reactions in catalyst of small pore diameter
Fast reaction in catalyst of large pore diameter

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Chemical Reaction Engineering
In the reversible reaction of the type, A + B ⇋ AB, in general

Both forward and backward reactions will be exothermic
The combination reaction will be endothermic, while the dissociation reaction will be exothermic
Neither of the reactions will be en-dothermic
The combination reaction will be exothermic, while the dissociation reaction will be endothermic

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