1
AIEEE 2004
MCQ (Single Correct Answer)
+4
-1
What is the equilibrium expression for the reaction
P4 (s) + 5O2 $$\leftrightharpoons$$ P4O10 (s)?
A
Kc = [P4O10] / 5[P4] [O2]
B
Kc = 1/[O2]5
C
Kc = [P4O10] / [P4] [O2]5
D
Kc = [O2]5
2
AIEEE 2004
MCQ (Single Correct Answer)
+4
-1
For the reaction, CO(g) + Cl2(g) $$\leftrightharpoons$$ COCl2(g) the $${{{K_p}} \over {{K_c}}}$$ is equal to :
A
$$\sqrt {RT} $$
B
RT
C
1/RT
D
1.0
3
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
4
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
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