1
AIEEE 2004
MCQ (Single Correct Answer)
+4
-1
The equilibrium constant for the reaction N2(g) + O2(g) $$\leftrightharpoons$$ 2NO(g) at temperature T is 4 $$\times$$ 10-4. The value of Kc for the reaction NO(g) $$\leftrightharpoons$$ $$1 \over 2$$N2 (g) + $$1 \over 2$$O2 (g) at the same temperature is :
A
2.5 $$\times$$ 102
B
4 $$\times$$ 10-4
C
50
D
0.02
2
AIEEE 2003
MCQ (Single Correct Answer)
+4
-1
Consider the reaction equilibrium
2 SO2 (g) + O2 (g) $$\leftrightharpoons$$ 2 SO3 (g); $$\Delta H^o$$ = -198 kJ
One the basis of Le Chatelier's principle, the condition favourable for the forward reaction is :
A
increasing temperature as well as pressure
B
lowering the temperature and increasing the pressure
C
any value of temperature and pressure
D
lowering temperature as well as pressure
3
AIEEE 2003
MCQ (Single Correct Answer)
+4
-1
For the reaction equilibrium
N2O4 (g) $$\leftrightharpoons$$ 2NO2 (g)
the concentrations of N2O4 and NO2 at equilibrium are 4.8 $$\times$$ 10-2 and 1.2 $$\times$$ 10-2 mol L-1 respectively. The value of Kc for the reaction is
A
3 $$\times$$ 10-1 mol L-1
B
3 $$\times$$ 10-3 mol L-1
C
3 $$\times$$ 103 mol L-1
D
3.3 $$\times$$ 102 mol L-1
4
AIEEE 2002
MCQ (Single Correct Answer)
+4
-1
Change in volume of the system does not alter which of the following equilibria?
A
N2(g) + O2(g) $$\leftrightharpoons$$ 2NO (g)
B
PCl5(g) $$\leftrightharpoons$$ PCl3 (g) + Cl2 (g)
C
N2(g) + 3H2(g) $$\leftrightharpoons$$ 2NH3 (g)
D
SO2Cl2 (g) $$\leftrightharpoons$$ SO2 (g) + Cl2 (g)
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