1
AIEEE 2005
MCQ (Single Correct Answer)
+4
-1
An amount of solid NH4HS is placed in a flask already containing ammonia gas at a certain temperature and 0.50 atm. Pressure. Ammonium hydrogen sulphide decomposes to yield NH3 and H2S gases in the flask. When the decomposition reaction reaches equilibrium, the total pressure in the flask rises to 0.84 atm. The equilibrium constant for NH4HS decomposition at this temperature is :
A
0.30
B
0.11
C
0.17
D
0.18
2
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
3
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
4
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
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