1
AIPMT 2011 Mains
+4
-1
Consider the following processes :

H (kJ/mol)
1/2A $$\to$$ B +150
3B  $$\to$$ 2C + D -125
E + A  $$\to$$ 2D +350

For B + D $$\to$$ E + 2C, $$\Delta$$H will be
A
525 kJ/mol
B
$$-$$175 kJ/mol
C
$$-$$ 325 kJ/mol
D
325 kJ/mol
2
AIPMT 2011 Prelims
+4
-1
If the enthalpy change for the transition of liquid water to steam is 30 kJ mol$$-$$1 at 27oC, the entropy change for the process would be
A
10 J mol$$-$$1 K$$-$$1
B
1.0 J mol$$-$$1 K$$-$$1
C
0.1 J mol$$-$$1 K$$-$$1
D
100 J mol$$-$$1 K$$-$$1
3
AIPMT 2011 Prelims
+4
-1
Enthalpy change for the reaction,
4H(g)  $$\to$$  2H2(g) is $$-$$869.6 kJ
The dissociation energy of H $$-$$ H bond is
A
434.8 kJ
B
$$-$$ 869.6 kJ
C
+ 434.8 kJ
D
+ 217.4 kJ
4
AIPMT 2011 Prelims
+4
-1
Which of the following is correct option for free expansion of an ideal gas under adiabatic condition ?
A
q = 0, $$\Delta$$T $$\ne$$ 0, w = 0
B
q $$\ne$$ 0,   $$\Delta$$T = 0,   w = 0
C
q = 0,   $$\Delta$$T = 0,   w = 0
D
q = 0,  $$\Delta$$T < 0, w $$\ne$$ 0
EXAM MAP
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