The ratio of \({{K_{P}}\over{K_{C}}}\) for the reaction

CO(g)+12O2(g)CO2(g) is:

1. (RT)1/2  2. (RT)-1/2 
3. RT 4. 1

Subtopic:  Kp, Kc & Factors Affecting them |
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\(\mathrm{K}_{\mathrm{c}}=\frac{\left[\mathrm{NH}_3\right]^4\left[\mathrm{O}_2\right]^5}{[\mathrm{NO}]^4\left[\mathrm{H}_2 \mathrm{O}]^6\right.}\)
The balanced chemical equation corresponding to the above-mentioned expression is:

1. \(4 \mathrm{NO}_{(\mathrm{g})}+6 \mathrm{H}_2 \mathrm{O}_{(\mathrm{g})} \rightleftharpoons 4 \mathrm{NH}_{3(\mathrm{g})}+5 \mathrm{O}_{2(\mathrm{g})} \)
2. \(4 \mathrm{NH}_3(\mathrm{g})+5 \mathrm{O}_{2(\mathrm{g})} \rightleftharpoons 4 \mathrm{NO}_{(\mathrm{g})}+6 \mathrm{H}_2 \mathrm{O}_{(\mathrm{g})}\)
3. \(\ 2 \mathrm{NO}_{(\mathrm{g})}+3 \mathrm{H}_2 \mathrm{O}_{(\mathrm{g})} \rightleftharpoons 4 \mathrm{NH}_{3(\mathrm{g})}+3 \mathrm{O}_{2(\mathrm{g})}\)
4. \(\ \mathrm{NH}_{3(\mathrm{g})}+3 \mathrm{H}_2 \mathrm{O}_{(\mathrm{g})} \rightleftharpoons 2 \mathrm{NO}_{(\mathrm{g})}+3 \mathrm{O}_{2(\mathrm{g})}\)
Subtopic:  Kp, Kc & Factors Affecting them |
 91%
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The equilibrium reaction that doesn't have equal values for Kc and Kis: 

1. \(2NO(g) \rightleftharpoons N_2(g) + O_2(g)\)
2. \(SO_2(g) + NO_2(g) \rightleftharpoons SO_3(g) + NO(g)\)
3. \(H_2(g) + I_2(g) \rightleftharpoons 2HI (g)\)
4. \(2C(s) + O_2(g) \rightleftharpoons 2CO_2(g)\)

Subtopic:  Kp, Kc & Factors Affecting them |
 90%
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AIPMT - 2010
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For the reaction N2(g) + O2(g)2NO(g) the equilibrium constant is K1. The equilibrium constant is K2 for the reaction  2NO(g) + O2(g) 2NO2(g) 
The value of K for the reaction given below will be:
NO2(g)12N2(g) +O2(g) 

1.  14 4 K1 K2

2.  1K1K21/2

3.  1K1K2

4.  12K1K2

Subtopic:  Kp, Kc & Factors Affecting them |
 88%
From NCERT
AIPMT - 2011
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The value of the equilibrium constant of the reaction 
 HI(g)  12H2(g) + 12I2 is 8.0.
The equilibrium constant of the reaction
 H2(g) + I2(g)  2HI(g) will be-

1. \(1 \over 16\) 2. \(1 \over 64\)
3. 16 4. \(1 \over 8\)
Subtopic:  Kp, Kc & Factors Affecting them |
 86%
From NCERT
AIPMT - 2008
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For the following equilibrium, Kc= 6.3 × 1014 at 1000 K

NO(g) + O3 (g)  NO2(g) + O2 (g) 

The value of Kc for the reverse reaction is:

1. 2.33 × 10-16
2. 1.59 × 10-15
3. 2.67 × 10-13
4. 4.47 × 1014

Subtopic:  Kp, Kc & Factors Affecting them |
 88%
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The value of n for the following reaction will be :

NH4Cl(s)NH3(g)+HCl(g)

1. 1 2. 0.5
3. 1.5 4. 2
Subtopic:  Kp, Kc & Factors Affecting them |
 85%
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For the reaction 2NOCl(g)⇔2NO(g)+Cl2(g), KC at 427°C is \(3\times 10^{-6} \ mol\ L^{-1}\). The value of Kp will be :

1. 1.72×10-4

2. 7.50×105

3. 2.50×10-5

4. 2.50×10-4

Subtopic:  Kp, Kc & Factors Affecting them |
 83%
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PCl5, PCl3, and Cl2 are at equilibrium at 500 K in a closed container and their concentrations are 0.8×10-3 mol L-1 , 1.2×10-3 mol L-1 and 1.2×10-3 mol L-1, respectively.
The value of  Kc  for the reaction PCl5(g) ⇌ PCl3(g) + Cl2(g) will be:

1. 1.8 × 103 mol L-1 2. 1.8 × 103
3. 1.8 × 10-3 mol L-1 4. 0 . 55 × 104

Subtopic:  Kp, Kc & Factors Affecting them |
 87%
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Some reactions are written below in Column I and their equilibrium constants
in terms of Kc are written in Column II.
Match the following reactions with the corresponding equilibrium constant.

Column I (Reaction) Column II (Equilibrium constant)
A. 2N2(g)+6H2(g)4NH3(g) 1. 2Kc
B. 2NH3(g)N2(g)+3H2(g) 2. Kc1/2
C. 12N2(g)+32H2(g)NH3(g) 3. 1Kc
4. Kc2

Codes

A B C
1. 4 3 2
2. 1 2 3
3. 1 4 3
4. 4 1 3
Subtopic:  Kp, Kc & Factors Affecting them |
 83%
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