The rate constant of a chemical reaction increases by 100 times when the temperature is increased from 400 °K to 500 °K. Assuming transition state theory is valid, the value of „E/R’ is __________________?

Related Mcqs:

Rate of a chemical reaction is not affected by the____________________?

A. Catalyst B. Temperature C. Reactant’s concentration D. Number of molecules of reactants taking part in the reaction...

The equilibrium constant ‘K’ of a chemical reaction depends on_________________?

A. Temperature only B. Pressure only C. Temperature and pressure D. Ratio of reactants...

Promoter_____________________?

A. Initiates a chemical reaction and is a catalyst by itself B. Alters the position of equilibrium in a reversible reaction C. Increases the number of active centres by increasing the unevenness of catalyst surface and by creating discontinuities in the crystals D. All A., B. and C....

Pick out the wrong statement ?

A. Visible radiation provides the necessary activation energy in photochemical reactions B. The order and molecularity of a complex reaction may not be the same C. For a second order reaction, the slope of the graph/plot between rate and (concentration) is equal to the rate constant (k) D. Molecularity of the reaction is always a … Pick out the wrong statement ?Read More...

Pure A in gas phase enters a reactor 50% of this A is converted to B through the reaction, A → 3B. Mole fraction of A in the exit stream is______________________?

A. 1/2 B. 1/3 C. 1/4 D. 1/5...