1
AIPMT 2012 Mains
MCQ (Single Correct Answer)
+4
-1
Out of Syllabus
Equal volumes of two monoatomic gases, A and B at same temperature and pressure are mixed. The ratio of specific heats (Cp/Cv) of the mixture will be
A
0.83
B
1.50
C
3.3
D
1.67
2
AIPMT 2012 Mains
MCQ (Single Correct Answer)
+4
-1
Given that the equilibrium constant for the reaction,
2SO2(g) + O2(g) $$\rightleftharpoons$$ 2SO3(g)
has a value of 278 at a particular temperature. What is the value of the equilibrium constant for the following reaction at the same temperature ?
SO3(g) $$\rightleftharpoons$$ SO2(g) + $${1 \over 2}$$ O2(g)
A
1.8 $$ \times $$ 10$$-$$3
B
3.6 $$ \times $$ 10$$-$$3
C
6.0 $$ \times $$ 10$$-$$2
D
1.3 $$ \times $$ 10$$-$$5
3
AIPMT 2012 Mains
MCQ (Single Correct Answer)
+4
-1
Given the reaction between 2 gases represented by A2 and B2 to give the compound AB(g),

A2(g) + B2(g) $$\rightleftharpoons$$ 2AB(g)

At equilibrium, the concentration of
A2 = 3.0 $$ \times $$ 10$$-$$3 M, of B2 = 4.2 $$ \times $$ 10$$-$$3 M, of AB = 2.8 $$ \times $$ 10$$-$$3 M
If the reaction takes place in a sealed vessel at 527oC, then the value of Kc will be
A
2.0
B
1.9
C
0.62
D
4.5
4
AIPMT 2012 Mains
MCQ (Single Correct Answer)
+4
-1
Which of the following reagents will be able to distinguish between 1-butyne and 2-butyne?
A
NaNH2
B
HCl
C
O2
D
Br2
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