If the rate of a chemical reaction becomes slower at a given temperature, then the__________________?

Related Mcqs:

For all positive reaction orders for a particular duty ?

A. Mixed reactor is always larger than the plug-flow reactor B. Ratio of the volume of the mixed reactor to that of the plug-flow reactor decreases with order C. Reactor size is independent of the type of flow D. Density variation during reaction affects design...

For series reaction, the relative yield__________________?

A. Is always greater for plug-flow reactor than for the single CSTR of the same volume B. Statement in A. is wrong C. Decreases with increasing conversion D. Both A. and C. hold good...

Which of the following is not a dimension-less group used in catalysis? (Where, D = dispersion co-efficient, cm2/sec.D1 = diffusion co-efficient; cm2/sec L = length of the reactor, cm t = time, sec, v = volumetric flow rate, cm3/sec. V = volume, cm3.) ?

A. Reactor dispersion number (D/vL) B. Reduced time (vt/V) C. Thiele modulus L √(k/D1) D. None of these...

The reactions with low activation energy are _____________________?

A. Always spontaneous B. Slow C. Fast D. Non-spontaneous...

Helium-mercury method can be used to determine the _____________ of the catalyst particle?

A. Pore volume B. Solid density C. Porosity D. All A., B., & C....