The role of a catalyst in a chemical reaction is to change the__________________?

Related Mcqs:

What is the value of ‘n’ if the reaction rate of the chemical reaction A → B, is proportional to CA n and it is found that the reaction rate triples, when the concentration of ‘A’ is increased 9 times ?

A. 1/2 B. 1/3 C. 1/9 D. 3...

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...

Which of the following is the most suitable for very high pressure gas phase reaction ?

A. Batch reactor B. Tubular flow reactor C. Stirred tank reactor D. Fluidised bed reactor...