Carbon particles accumulated on the catalyst used in the gas oil cracking lies in the category of _____________________ poison?

Related Mcqs:

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

A. Film B. Ash layer C. Pore D. None of these...

Fractional conversion _________________ for an exothermic reversible chemical reaction, when the temperature is maximum?

A. Increases B. Remains unchanged C. Decreases D. Unpredictable from the data...

The gas phase reaction 2A ⇌ B is carried out in an isothermal plug flow reactor. The feed consists of 80 mole % A and 20 mole % inerts. If the conversion of A at the reactor exit is 50%, then CA/CA0 at the outlet of the reactor is _______________________?

A. 2/3 B. 5/8 C. 1/3 D. 3/8...

The minimum energy required to allow a chemical reaction to proceed is termed as the ‘threshold energy ‘. Chemical reactions with low activation energy are ________________?

A. Always irreversible B. Insensitive to temperature changes C. Mostly irreversible D. Highly temperature sensitive...

The excess energy of reactants in a chemical reaction required to dissociate into products is termed as the _______________ energy?

A. Activation B. Potential C. Binding D. Threshold...