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1
AIEEE 2003
MCQ (Single Correct Answer)
+4
-1
The correct relationship between free energy change in a reaction and the corresponding equilibrium constant Kc is :
A
- $$\Delta G$$ = RT ln Kc
B
$$\Delta G^o$$ = RT ln Kc
C
- $$\Delta G^o$$ = RT ln Kc
D
$$\Delta G$$ = RT ln Kc
2
AIEEE 2003
MCQ (Single Correct Answer)
+4
-1
In an irreversible process taking place at constant T and P and in which only pressure-volume work is being done, the change in Gibbs free energy (dG) and change in entropy (dS), satisfy the criteria :
A
(dS)V, E > 0, (dG)T, P < 0
B
(dS)V, E = 0, (dG)T, P = 0
C
(dS)V, E = 0, (dG)T, P > 0
D
(dS)V, E < 0, (dG)T, P < 0
3
AIEEE 2003
MCQ (Single Correct Answer)
+4
-1
The enthalpy change for a reaction does not depend upon :
A
use of different reactants for the same product
B
the nature of intermediate reaction steps
C
the differences in initial or final temperature of involved substances
D
the physical states of reactants and products
4
AIEEE 2002
MCQ (Single Correct Answer)
+4
-1
Change Language
For the reactions
2C + O2 $$\to$$ 2CO2; $$\Delta H$$ = -393 J
2Zn + O2 $$\to$$ 2ZnO; $$\Delta H$$ = -412 J
A
carbon can oxidise Zn
B
oxidation of carbon is not feasible
C
oxidation of Zn is not feasible
D
Zn can oxidise carbon
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