Chemical Reaction Engineering MCQs

XA Vs . τ

XA Vs ln τ

XA/(1 – XA)Vs τ

XA(1 – XA)Vs τ

400

500

600

1000

For testing complicated mechanisms

When the data are scattered

When rate expressions are very simple

None of these

CaO is not dissociated

CO₂ escapes continuously

Of high calcination temperature

CaO is more stable than CaCO₃

Hydrogenation of oils

Gas phase oxidation of SO₂ in chamber process

Alkylation of hydrocarbons

None of these

Pore diffusion

Film diffusion

Ash layer diffusion

Chemical reaction

m

1/m

√m

m²

Batch reactor

Back-mix reactor

Plug-flow reactor

Fixed bed reactor

Increases

Decreases

Decreases exponentially

Can either increase or decrease ; depends on the frequency factor

Exothermic

Endothermic

Biochemical

Photochemical