MCQOPTIONS
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MCQOPTIONS
This section includes 10 Mcqs, each offering curated multiple-choice questions to sharpen your Chemistry knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
What will happen to the position of equilibrium if the concentration of one of the products is increased? |
| A. | shifts left |
| B. | shift right |
| C. | does not change |
| D. | main shift left or right |
| Answer» B. shift right | |
| 2. |
The equilibrium position does not change when there is an addition of inert gas at constant volume. |
| A. | true |
| B. | false |
| Answer» B. false | |
| 3. |
Which side does the catalyst shift the equilibrium position? |
| A. | left side |
| B. | right side |
| C. | may be left or right side |
| D. | does change the position |
| Answer» E. | |
| 4. |
At constant pressure, if the inert gases added then the equilibrium will shift in the direction of ___________ |
| A. | decrease in the number of moles |
| B. | increase in the number of moles |
| C. | does not depend on the number of moles |
| D. | does not change |
| Answer» C. does not depend on the number of moles | |
| 5. |
The formation of products is favoured by ____________ temperature in an endothermic reaction. |
| A. | high |
| B. | low |
| C. | moderate |
| D. | 0 |
| Answer» B. low | |
| 6. |
If a reaction produces heat during the process then it is ____________ |
| A. | exothermic |
| B. | endothermic |
| C. | both exothermic and endothermic |
| D. | neither exothermic nor endothermic |
| Answer» B. endothermic | |
| 7. |
Consider the chemical equation TiCl4 + 2 H2O ( rightleftharpoons ) TiO2 + 4 HCl if the pressure is increased what will happen to the equilibrium? |
| A. | it moves backward direction |
| B. | moves forward direction |
| C. | remains constant |
| D. | cannot say |
| Answer» B. moves forward direction | |
| 8. |
In the reaction, H2(g) + Br2(g) ( rightleftharpoons ) 2HBr(g), what will happen if there is a change in pressure? |
| A. | equilibrium moves left |
| B. | equilibrium moves right |
| C. | there is no change in equilibrium |
| D. | we cannot say |
| Answer» D. we cannot say | |
| 9. |
What will happen if at equilibrium the concentration of one of the reactants is increased? |
| A. | equilibrium will shift in the forward direction |
| B. | equilibrium population will not change |
| C. | equilibrium will shift in the backward direction |
| D. | equilibrium will move to and fro |
| Answer» B. equilibrium population will not change | |
| 10. |
Which of the following factors do you think will not affect the state of the equilibrium? |
| A. | concentration |
| B. | pressure |
| C. | temperature |
| D. | color |
| Answer» E. | |