For a tubular reactor with space time ‘η’ and residence time ‘ζ’, the following statement holds good ?

Related Mcqs:

The rate expression for a heterogeneous catalytic reaction is given by, – rA = K.KA PA(1 + KA.PA + KR.PR), where K is surface reaction rate constant and KA and KR are absorption equilibrium constants of A and R respectively. If KR PR >> (1 + KA PA), the apparent activation energy EA is equal to (given E is the activation energy for the reaction and ΔHR and ΔHA are the activation energies of adsorption of R and A) ?

A. E B. E + ΔHA C. E + ΔHA – ΔHR) D. ΔHA + ΔHR...

The reaction rate almost gets doubled for 10°C rise in temperature. This is due to the fact that the_________________?

A. Increased temperature reduces the activation energy B. Fraction of molecules having threshold energy increases C. Collision frequency increases D. Value of threshold energy decreases...

For the same residence time, which one will give the maximum conversion ?

A. Single stirred tank (v = 5 litres) B. Two stirred tank (each of 2.5 litres) in series C. Stirred tank followed by tubular flow reactor (each of 2.5 litres) D. Single tubular flow reactor (v = 5 litres)...

A chemical reaction, A → 3B, is conducted in a constant pressure vessel. Starting with pure A, the volume of the reaction mixture increases 3 times in 6 minutes. The fractional conversion is ___________________?

A. 0.33 B. 0.5 C. 1 D. Data insufficient, can’t be predicted...

Velocity of a chemical reaction___________________?

A. Decreases with increase in temperature B. Increases with increase of pressure of reactants for all reactions C. Decreases with increase of reactant concentration D. None of these...