A chemical reaction occurs when the energy of the reacting molecules is __________________ the activation energy of the reaction?

Related Mcqs:

In a zero order reaction, reactants concentration does not change with time and the_________________?

A. Time for half change is half the time taken for completion of the reaction B. Time for half change is independent of the initial concentration C. Time for completion of the reaction is independent of the initial concentration D. Reaction rate is trebled when the initial concentration is trebled...

For a packed bed reactor; the presence of a long tail in the residence time distribution curve is an indication of ?

A. Ideal plug flow B. Bypass C. Dead zone D. Channelling...

Which of the following is not a unit of reaction rate ?

A. Moles for med/(surface of catalyst) (time) B. Moles formed/volume of reactor) (time) C. Mole formed/volume of catalyst) (time) D. None of these...

What is the order of a chemical reaction of the bellow figure, if the rate of formation of ‘C’, increases by a factor of 2.82 on doubling the concentration of ‘A’ and increases by a factor of 9 on trebling the concentration of ‘B’ ?

A. 7/2 B. 7/4 C. 5/2 D. 5/4...

Which of the following is used for calcination of limestone and dolomite in industrial practice?

A. Fluidised bed reactor B. Moving bed reactor C. Fixed bed reactor D. None of these...