With increase in temperature, the rate constant obeying Arrhenius equation____________________?

Byadmin February 19, 2019August 23, 2021

With increase in temperature, the rate constant obeying Arrhenius equation____________________?

A. Increases
B. Decreases
C. Decreases exponentially
D. Can either increase or decrease; depends on the frequency factor

Chemical Reaction

‘N’ plug flow reactors in series with a total volume ‘V’ gives the same conversion as a single plug flow reactor of volume ‘V’ for _______________ order reactions?

‘N’ plug flow reactors in series with a total volume ‘V’ gives the same conversion as a single plug flow reactor of volume ‘V’ for _______________ order reactions?

A. First
B. Second
C. Third
D. Any

Read More ‘N’ plug flow reactors in series with a total volume ‘V’ gives the same conversion as a single plug flow reactor of volume ‘V’ for _______________ order reactions?
Chemical Reaction

In a reversible chemical reaction having two reactants in equilibrium, if the concentration of the reactants are doubled, then the equilibrium constant will________________?

In a reversible chemical reaction having two reactants in equilibrium, if the concentration of the reactants are doubled, then the equilibrium constant will________________?

A. Remain the same
B. Be halved
C. Also be doubled
D. Become one fourth

Read More In a reversible chemical reaction having two reactants in equilibrium, if the concentration of the reactants are doubled, then the equilibrium constant will________________?
Chemical Reaction

Which of the following is the most suitable for isothermal operation?

Which of the following is the most suitable for isothermal operation?

A. Batch reactor
B. Back-mix reactor
C. Plug-flow reactor
D. Fixed bed reactor

Read More Which of the following is the most suitable for isothermal operation?
Chemical Reaction

An isothermal aqueous phase reversible reaction, P ⇌ R, is to be carried out in a mixed flow reactor. The reaction rate in k.mole/m3 .h is given by, r = 0.5CP – 0.125CR. A stream containing only P enters the reactor. The residence time required (in hours) for 40% conversion of P is_________________?

An isothermal aqueous phase reversible reaction, P ⇌ R, is to be carried out in a mixed flow reactor. The reaction rate in k.mole/m3 .h is given by, r = 0.5CP – 0.125CR. A stream containing only P enters the reactor. The residence time required (in hours) for 40% conversion of P is_________________?

A. 0.80
B. 1.33
C. 1.60
D. 2.67

Read More An isothermal aqueous phase reversible reaction, P ⇌ R, is to be carried out in a mixed flow reactor. The reaction rate in k.mole/m3 .h is given by, r = 0.5CP – 0.125CR. A stream containing only P enters the reactor. The residence time required (in hours) for 40% conversion of P is_________________?
Chemical Reaction

Equilibrium of a chemical reaction as viewed by kinetics is a ______________ state?

Equilibrium of a chemical reaction as viewed by kinetics is a ______________ state?

A. Dynamic steady
B. Static steady
C. Dynamic unsteady
D. None of these

Read More Equilibrium of a chemical reaction as viewed by kinetics is a ______________ state?
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?

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