Velocity of a chemical reaction___________________?

Byadmin February 20, 2019August 23, 2021

Velocity of a chemical reaction___________________?

A. Decreases with increase in temperature
B. Increases with increase of pressure of reactants for all reactions
C. Decreases with increase of reactant concentration
D. None of these

Chemical Reaction

For the gaseous reaction 2A → B, where the feed consists of 50 mole % A and 50 mole % inerts, the expansion factor is___________________?

For the gaseous reaction 2A → B, where the feed consists of 50 mole % A and 50 mole % inerts, the expansion factor is___________________?

A. 1
B. -0.5
C. -0.25
D. 0

Read More For the gaseous reaction 2A → B, where the feed consists of 50 mole % A and 50 mole % inerts, the expansion factor is___________________?
Chemical Reaction

The increase in the rate of reaction with temperature is due to__________________?

The increase in the rate of reaction with temperature is due to__________________?

A. Increase in the number of effective collisions
B. Decrease in activation energy
C. Increase in the average kinetic energy of the reacting molecules
D. None of these

Read More The increase in the rate of reaction with temperature is due to__________________?
Chemical Reaction

The response curve for a step input signal from a reactor is called C-curve. The variance of C-curve in a ‘tanks in series model’ comprising of ‘m’ tanks is equal to ___________________?

The response curve for a step input signal from a reactor is called C-curve. The variance of C-curve in a ‘tanks in series model’ comprising of ‘m’ tanks is equal to ___________________?

A. m
B. 1/m
C. √m
D. m2

Read More The response curve for a step input signal from a reactor is called C-curve. The variance of C-curve in a ‘tanks in series model’ comprising of ‘m’ tanks is equal to ___________________?
Chemical Reaction

Kinetics of a catalytic reaction can be best studied on a/an ______________ reactor?

Kinetics of a catalytic reaction can be best studied on a/an ______________ reactor?

A. Mixed
B. Integral (plug flow)
C. Differential (flow)
D. Either A., B. and C.

Read More Kinetics of a catalytic reaction can be best studied on a/an ______________ reactor?
Chemical Reaction

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

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

A. Equilibrium constant
B. Activation energy
C. Final products
D. Heat of reaction

Read More The role of a catalyst in a chemical reaction is to change the__________________?
Chemical Reaction

The enzyme which can catalyse the conversion of glucose to ethyl alcohol is ___________________?

The enzyme which can catalyse the conversion of glucose to ethyl alcohol is ___________________?

A. Invertase
B. Maltase
C. Diastase
D. Zymase

Read More The enzyme which can catalyse the conversion of glucose to ethyl alcohol is ___________________?

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