The Le- Chatlier principle states that ____

A system experiencing disturbance does not shift direction of equilibrium to nullify the change

All reactions are reversible at high temperatures

A system experiencing disturbance shifts direction of equilibrium to nullify the change

A system experiencing disturbance does not shift direction of equilibrium to nullify the change

For the reaction A R, k1 being the rate constant of forward reaction, k2 being the rate constant of backward reaction and XAe is the equilibrium conversion, k2 is obtained as _____

k2 = k1 ( frac{(1 + X_{Ae})}{( frac{C_{A0}}{C_{R0}} + X_{Ae})} )

k2 = k1 ( frac{(1 X_{Ae})}{( frac{C_{A0}}{C_{R0}} + X_{Ae})} )

k2 = k1 ( frac{(1 + X_{Ae})}{( frac{C_{A0}}{C_{R0}} + X_{Ae})} )

k2 = k1 ( frac{(1 X_{Ae})}{( frac{C_{A0}}{C_{R0}} X_{Ae})} )

Equilibrium is a state in which ___

Rate of forward reaction < Rate of backward reaction

Rate of forward reaction > Rate of backward reaction

Rate of forward reaction = Rate of backward reaction

Rate of forward reaction < Rate of backward reaction

Rate of forward reaction is independent of the rate of backward reaction

9 + Mcqs in Temperature & Pressure Effects Equilibrium Conversion in Chemical Reaction Engineering Page 1 McqOptions

1.	The Le- Chatlier principle states that ____
A.	No reaction is reversible
B.	All reactions are reversible at high temperatures
C.	A system experiencing disturbance shifts direction of equilibrium to nullify the change
D.	A system experiencing disturbance does not shift direction of equilibrium to nullify the change
Answer» D. A system experiencing disturbance does not shift direction of equilibrium to nullify the change

Discussion

2.	The plot of the function of equilibrium conversion to time for a bimolecular type reversible reaction is ____
A.	Exponential
B.	Linear
C.	Logarithmic
D.	Quadratic
Answer» C. Logarithmic

Discussion

3.	Which of the following represents second order bimolecular type reversible reaction?
A.	A+B R+S
B.	A B
C.	A R+S
D.	A+B R
Answer» B. A B

Discussion

4.	The plot representing the relation of equilibrium conversion to the reaction time for a unimolecular first order reaction is ____
A.	<img alt="Plot for relation of equilibrium conversion to first order reaction - option a" class="alignnone size-full wp-image-284170" height="374" sizes="(max-width: 383px) 100vw, 383px" src="https://www.sanfoundry.com/wp-content/uploads/2020/07/chemical-reaction-engineering-questions-answers-temperature-pressure-effects-equilibrium-conversion-q6a.png" srcset="https://www.sanfoundry.com/wp-content/uploads/2020/07/chemical-reaction-engineering-questions-answers-temperature-pressure-effects-equilibrium-conversion-q6a.png 383w, https://www.sanfoundry.com/wp-content/uploads/2020/07/chemical-reaction-engineering-questions-answers-temperature-pressure-effects-equilibrium-conversion-q6a-300x293.png 300w" width="383"/>
B.	<img alt="Plot for relation of equilibrium conversion to first order reaction - option b" class="alignnone size-full wp-image-284169" height="376" sizes="(max-width: 372px) 100vw, 372px" src="https://www.sanfoundry.com/wp-content/uploads/2020/07/chemical-reaction-engineering-questions-answers-temperature-pressure-effects-equilibrium-conversion-q6b.png" srcset="https://www.sanfoundry.com/wp-content/uploads/2020/07/chemical-reaction-engineering-questions-answers-temperature-pressure-effects-equilibrium-conversion-q6b.png 372w, https://www.sanfoundry.com/wp-content/uploads/2020/07/chemical-reaction-engineering-questions-answers-temperature-pressure-effects-equilibrium-conversion-q6b-297x300.png 297w" width="372"/>
C.	<img alt="Plot for relation of equilibrium conversion to first order reaction - option c" class="alignnone size-full wp-image-284168" height="365" sizes="(max-width: 370px) 100vw, 370px" src="https://www.sanfoundry.com/wp-content/uploads/2020/07/chemical-reaction-engineering-questions-answers-temperature-pressure-effects-equilibrium-conversion-q6c.png" srcset="https://www.sanfoundry.com/wp-content/uploads/2020/07/chemical-reaction-engineering-questions-answers-temperature-pressure-effects-equilibrium-conversion-q6c.png 370w, https://www.sanfoundry.com/wp-content/uploads/2020/07/chemical-reaction-engineering-questions-answers-temperature-pressure-effects-equilibrium-conversion-q6c-300x296.png 300w" width="370"/>
D.	<img alt="Plot for relation of equilibrium conversion to first order reaction - option d" class="alignnone size-full wp-image-284167" height="374" sizes="(max-width: 375px) 100vw, 375px" src="https://www.sanfoundry.com/wp-content/uploads/2020/07/chemical-reaction-engineering-questions-answers-temperature-pressure-effects-equilibrium-conversion-q6d.png" srcset="https://www.sanfoundry.com/wp-content/uploads/2020/07/chemical-reaction-engineering-questions-answers-temperature-pressure-effects-equilibrium-conversion-q6d.png 375w, https://www.sanfoundry.com/wp-content/uploads/2020/07/chemical-reaction-engineering-questions-answers-temperature-pressure-effects-equilibrium-conversion-q6d-150x150.png 150w, https://www.sanfoundry.com/wp-content/uploads/2020/07/chemical-reaction-engineering-questions-answers-temperature-pressure-effects-equilibrium-conversion-q6d-300x300.png 300w" width="375"/>
Answer» B. <img alt="Plot for relation of equilibrium conversion to first order reaction - option b" class="alignnone size-full wp-image-284169" height="376" sizes="(max-width: 372px) 100vw, 372px" src="https://www.sanfoundry.com/wp-content/uploads/2020/07/chemical-reaction-engineering-questions-answers-temperature-pressure-effects-equilibrium-conversion-q6b.png" srcset="https://www.sanfoundry.com/wp-content/uploads/2020/07/chemical-reaction-engineering-questions-answers-temperature-pressure-effects-equilibrium-conversion-q6b.png 372w, https://www.sanfoundry.com/wp-content/uploads/2020/07/chemical-reaction-engineering-questions-answers-temperature-pressure-effects-equilibrium-conversion-q6b-297x300.png 297w" width="372"/>

Discussion

5.	For the reaction A R, k₁ being the rate constant of forward reaction, k₂ being the rate constant of backward reaction and X_Ae is the equilibrium conversion, k₂ is obtained as _____
A.	k<sub>2</sub> = k<sub>1</sub> ( frac{(1 X_{Ae})}{( frac{C_{A0}}{C_{R0}} + X_{Ae})} )
B.	k<sub>2</sub> = k<sub>1</sub> ( frac{(1 + X_{Ae})}{( frac{C_{A0}}{C_{R0}} + X_{Ae})} )
C.	k<sub>2</sub> = k<sub>1</sub> ( frac{(1 X_{Ae})}{( frac{C_{A0}}{C_{R0}} X_{Ae})} )
D.	k<sub>2</sub> = k<sub>1</sub> ( frac{(1 X_{Ae})}{( frac{C_{A0}}{C_{R0}} X_{Ae})} )
Answer» B. k<sub>2</sub> = k<sub>1</sub> ( frac{(1 + X_{Ae})}{( frac{C_{A0}}{C_{R0}} + X_{Ae})} )

Discussion

6.	Equilibrium is a state in which ___
A.	Rate of forward reaction > Rate of backward reaction
B.	Rate of forward reaction = Rate of backward reaction
C.	Rate of forward reaction < Rate of backward reaction
D.	Rate of forward reaction is independent of the rate of backward reaction
Answer» C. Rate of forward reaction < Rate of backward reaction

Discussion

7.	For the reaction A R, which of the following is the correct expression of C_R?
A.	C<sub>R</sub> = C<sub>A0</sub>X<sub>A</sub>
B.	C<sub>R</sub> = C<sub>A0</sub>X<sub>A</sub>
C.	C<sub>R</sub> = C<sub>R0</sub> + C<sub>A0</sub>
D.	C<sub>R</sub> = C<sub>R0</sub> + C<sub>A0</sub>X<sub>A</sub>
Answer» E.

Discussion

8.	State true or false. A reversible reaction is the one in which the reaction proceeds simultaneously in both directions.
A.	True
B.	False
Answer» B. False

Discussion

9.	State true or false. It is possible to achieve a conversion greater than the equilibrium conversion.
A.	True
B.	False
Answer» C.

Discussion

Explore topic-wise MCQs in Chemical Reaction Engineering.

The Le- Chatlier principle states that ____

The plot of the function of equilibrium conversion to time for a bimolecular type reversible reaction is ____

Which of the following represents second order bimolecular type reversible reaction?

The plot representing the relation of equilibrium conversion to the reaction time for a unimolecular first order reaction is ____

For the reaction A R, k1 being the rate constant of forward reaction, k2 being the rate constant of backward reaction and XAe is the equilibrium conversion, k2 is obtained as _____

Equilibrium is a state in which ___

For the reaction A R, which of the following is the correct expression of CR?

State true or false.A reversible reaction is the one in which the reaction proceeds simultaneously in both directions.

State true or false.It is possible to achieve a conversion greater than the equilibrium conversion.

For the reaction A R, k₁ being the rate constant of forward reaction, k₂ being the rate constant of backward reaction and X_Ae is the equilibrium conversion, k₂ is obtained as _____

For the reaction A R, which of the following is the correct expression of C_R?

State true or false.
A reversible reaction is the one in which the reaction proceeds simultaneously in both directions.

State true or false.
It is possible to achieve a conversion greater than the equilibrium conversion.