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Equilibrium and its dyna..



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Q1. Which of the following is true for a system at equilibrium?

(a) S=Smax and ?S=0
(b) F=Fmin and ?F=0
(c) G=Gmin and ?G=0
(d) all of the mentioned

Q2. If a system is stable to small but not large disturbances, it is said to be in metastable equilibrium.

(a) true
(b) false
(c) Both acidolysis and aldehyde
(d) None of the mentioned

Q3. For a system to be in a state of neutral equilibrium,

(a) dS=dG=dF=0
(b) dS=0, dG=dF<0
(c) dS=0, dG=dF>0
(d) none of the mentioned

Q4. What is the criterion of stability?

(a) dG<0, dF<0, dS<0
(b) dG<0, dF<0, dS>0
(c) dG>0, dF>0, dS>0
(d) dG>0, dF>0, dS<0

Q5. A system is said to be in a state of unstable equilibrium when

(a) dG<0, dF<0, dS<0
(b) dG<0, dF<0, dS>0
(c) dG>0, dF>0, dS>0
(d) dG>0, dF>0, dS<0

Q6. Which of the following statement is true?

(a) a system is in equilibrium state if, when it is disturbed, it comes back to its original state
(b) if there is a spontaneous change in the state, the system is not in equilibrium
(c) during a spontaneous change, the entropy of system increases
(d) all of the mentioned

Q7. If the constraints are constant p and T, then the Gibbs function of a system decreases.

(a) true
(b) false
(c) Both acidolysis and aldehyde
(d) None of the mentioned

Q8. Which constraints must be imposed on system to make the Helmholtz function decrease?

(a) constant T and p
(b) constant U and T
(c) constant U and V
(d) constant T and V

Q9. The entropy of an isolated system always ____ and reaches ____ when equilibrium is reached.

(a) remains constant, maximum
(b) decreases, minimum
(c) increases, maximum
(d) none of the mentioned

Q10. For an isolated system,

(a) dS<0
(b) dS>0
(c) dS=0
(d) none of the mentioned


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0 Answer
751 views

Assertion : Catalyst Affects The Final State Of The Equilibrium. Reason : It Enables The System To Attain A New Equilibrium State Bye Complexing With The Reagents.

Modified 244 Year Ago

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244 Year Ago

Assertion : Catalyst Affects The Final State Of The Equilibrium. Reason : It Enables The System To Attain A New Equilibrium State Bye Complexing With The Reagents.

0 votes
0 Answer
714 views

An Example For A Strong Electrolyte Is

Modified 243 Year Ago

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243 Year Ago

An Example For A Strong Electrolyte Is

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0 Answer
647 views

The Degree Of Dissociation Of 0.1 M HCN Solution Is 0.01%. Its Ionisation Constant Would Be

Modified 244 Year Ago

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244 Year Ago

The Degree Of Dissociation Of 0.1 M HCN Solution Is 0.01%. Its Ionisation Constant Would Be

0 votes
0 Answer
575 views

In Which Of The Following Dissociation Of NH4OH Will Be Minimum

Modified 244 Year Ago

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575
244 Year Ago

In Which Of The Following Dissociation Of NH4OH Will Be Minimum

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0 Answer
547 views

The Values Of Dissociation Constants Of Same Acid (at 25° C) Are As Follows. Indicate Which Is The Strongest Acid In Water

Modified 244 Year Ago

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244 Year Ago

The Values Of Dissociation Constants Of Same Acid (at 25° C) Are As Follows. Indicate Which Is The Strongest Acid In Water

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0 Answer
509 views

A Weak Monobasic Acid Is 1% Ionized In 0.1 M Solution At 25°C. The Percentage Of Ionization In Its 0.025 M Solution Is

Modified 244 Year Ago

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244 Year Ago

A Weak Monobasic Acid Is 1% Ionized In 0.1 M Solution At 25°C. The Percentage Of Ionization In Its 0.025 M Solution Is

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