If a solid-gas non-catalytic reaction occurs at very high temperature, the rate controlling step is the ________________ diffusion?

Related Mcqs:

Recycling back of outlet stream to the reactor from an ideal CSTR carrying out a first order liquid phase reaction will result in ______________ in conversion?

A. Decrease B. Increase C. No change D. Either A. or B., depends on the type of reaction...

A multiple reaction may be classified as a ________________ reaction?

A. Consecutive or side B. Parallel or side C. Mixed D. All A., B. and C....

Considering the endothermic dissociation of CaCO3 in a closed vessel (CaCO3 ⇌ CaO + CO2), the pressure of CO2 increases, if____________________?

A. A catalyst is added B. The temperature is increased C. An inert gas is pumped keeping the temperature constant D. None of these...

When the density of the reaction mixture is constant in a chemical reaction, the ratio of the mean residence time to space time is__________________?

A. > 1 B. < 1 C. 1 D. 0...

A photochemical reaction is _______________?

A. Accompanied with emission of light B. Catalysed by light C. Initiated by light D. All A., B. & C....