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Q. No.An incorrect statement about equilibrium among the following is:
| 1. | Equilibrium is possible only in a closed system at a constant temperature. |
| 2. | All measurable properties of the system remain constant. |
| 3. | All the physical processes stop at equilibrium. |
| 4. | The opposing processes occur at the same rate and there is a dynamic but stable condition. |
Subtopic: Introduction To Equilibrium |
74%
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For the given reaction:
H2NCOONH4 (s) \( \rightleftharpoons\) 2NH3 (g) + CO2 (g),
total pressure at equilibrium is found to be 18 atmospheres. The value of Kp for the above equilibrium will be:
1. 72 atm3
2. 144 atm3
3. 432 atm3
4. 864 atm3
Subtopic: Introduction To Equilibrium |
57%
From NCERT
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Identify that is NOT an example of heterogeneous equilibrium:
| 1. | Equilibrium between water vapour and liquid water in a closed container |
| 2. | Equilibrium attained during acid catalysed hydrolysis of ethyl acetate |
| 3. | Equilibrium between solid Ca(OH)2 and its saturated solution |
| 4. | Equilibrium attained on heating solid CaCO3 in a closed container |
Subtopic: Introduction To Equilibrium |
62%
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P, Q, and R represent substances involved in a gaseous reaction.
The equilibrium constant (Kc ) and the sign of the enthalpy change for the reaction are:
\(K_c = \frac{[P]^2}{[Q][R]3}~~~~~~\Delta H ~ is ~negative \)
Assuming that all other conditions remain constant, a change in which factor results in an increase of the value of the equilibrium constant, Kc?
1. an increase in pressure
2. use of a suitable catalyst
3. a decrease in temperature
4. an increase in temperature
The equilibrium constant (Kc ) and the sign of the enthalpy change for the reaction are:
\(K_c = \frac{[P]^2}{[Q][R]3}~~~~~~\Delta H ~ is ~negative \)
Assuming that all other conditions remain constant, a change in which factor results in an increase of the value of the equilibrium constant, Kc?
1. an increase in pressure
2. use of a suitable catalyst
3. a decrease in temperature
4. an increase in temperature
Subtopic: Introduction To Equilibrium |
65%
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For the reaction, A+B 3C at 25 C, a 3 litre vessel contains 1, 2, and 4 mole of A, B and C respectively. If Kc for the reaction is 10, then the reaction will proceed in:
1. forward direction
2. backward direction
3. in either direction
4. in equilibrium
Subtopic: Introduction To Equilibrium |
68%
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Q. No.
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