1
AIPMT 2001
MCQ (Single Correct Answer)
+4
-1
PbO2 $$ \to $$ PbO; $$\Delta $$G298 < 0
SnO2 $$ \to $$ SnO; $$\Delta $$G298 > 0
Most probable oxidation state of Pb and Sn will be
SnO2 $$ \to $$ SnO; $$\Delta $$G298 > 0
Most probable oxidation state of Pb and Sn will be
2
AIPMT 2001
MCQ (Single Correct Answer)
+4
-1
Enthalpy of CH4 + $${1 \over 2}$$ O2 $$ \to $$ CH3OH is negative. If enthalpy of combustion of CH4 and CH3OH are x and y respectively. Then which relation is correct?
3
AIPMT 2000
MCQ (Single Correct Answer)
+4
-1
2Zn + O2 $$ \to $$ 2ZnO; $$\Delta $$Go = $$-$$ 616 J
2Zn + S2 $$ \to $$ 2ZnS; $$\Delta $$Go = $$-$$ 293 J
S2 + 2O2 $$ \to $$ 2SO2; $$\Delta $$Go = $$-$$408 J
$$\Delta $$Go for the following reaction
2ZnS + 3O2 $$ \to $$ 2ZnO + 2SO2 is
2Zn + S2 $$ \to $$ 2ZnS; $$\Delta $$Go = $$-$$ 293 J
S2 + 2O2 $$ \to $$ 2SO2; $$\Delta $$Go = $$-$$408 J
$$\Delta $$Go for the following reaction
2ZnS + 3O2 $$ \to $$ 2ZnO + 2SO2 is
4
AIPMT 2000
MCQ (Single Correct Answer)
+4
-1
The entropy change in the fusion of one mole of a
solid melting at 27oC (latent heat of fusion is 2930 J
mol–1) is :
Questions Asked from Thermodynamics (MCQ (Single Correct Answer))
Number in Brackets after Paper Indicates No. of Questions
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