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. $2{\mathrm{N}}_{2}\left(\mathrm{g}\right)+6{\mathrm{H}}_{2}\left(\mathrm{g}\right)⇌4{\mathrm{NH}}_{3}\left(\mathrm{g}\right)$ 1. $2{\mathrm{K}}_{\mathrm{c}}$ B. $2{\mathrm{NH}}_{3}\left(\mathrm{g}\right)⇌{\mathrm{N}}_{2}\left(\mathrm{g}\right)+3{\mathrm{H}}_{2}\left(\mathrm{g}\right)$ 2. ${\mathrm{K}}_{\mathrm{c}}^{1/2}$ C. $\frac{1}{2}{\mathrm{N}}_{2}\left(\mathrm{g}\right)+\frac{3}{2}{\mathrm{H}}_{2}\left(\mathrm{g}\right)⇌{\mathrm{NH}}_{3}\left(\mathrm{g}\right)$ 3. $\frac{1}{{\mathrm{K}}_{\mathrm{c}}}$ 4. ${\mathrm{K}}_{\mathrm{c}}^{2}$

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 |
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Match the standard free energy of the reaction with the corresponding equilibrium constant.

 A. $∆{\mathrm{G}}^{⊝}>0$ 1. K>1 B. $∆{\mathrm{G}}^{⊝}<0$ 2. K=1 C. $∆{\mathrm{G}}^{⊝}=0$ 3. K=0 4. K<1

Codes:

 A B C 1. 4 1 2 2. 1 2 3 3. 2 4 3 4. 4 1 3
Subtopic:  Kp, Kc & Factors Affecting them |
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Match the Column I with Column II

 Column I Column II A. Equilibrium 1. B. Spontaneous  reaction 2. $∆\mathrm{G}=0$ C. Non-spontaneous reaction 3.

Codes

 Options: A B C 1. 2 3 1 2. 1 2 3 3. 2 1 3 4. 3 1 2

Subtopic:  Kp, Kc & Factors Affecting them |
84%
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 Assertion (A): For any chemical reaction at a particular temperature, the equilibrium constant is fixed and is a characteristic property. Reason (R): Equilibrium constant is independent of temperature.

 1 Both (A) and (R) are true and (R) is the correct explanation of (A). 2 Both (A) and (R) are true but (R) is not the correct explanation of (A). 3 (A) is true but (R) is false. 4 (A) is false but (R) is true.

Subtopic:  Kp, Kc & Factors Affecting them |
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Given below are two statements:

 Assertion (A): In the dissociation of PCl5 at constant pressure and temperature, the addition of helium at equilibrium increases the dissociation of PCl5. Reason (R): Helium reacts with Cl2 .

 1 Both (A) and (R) are true and (R) is the correct explanation of (A). 2 Both (A) and (R) are true but (R) is not the correct explanation of (A). 3 (A) is true but (R) is false. 4 (A) is false but (R) is true.

Subtopic:  Kp, Kc & Factors Affecting them |
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The value of $∆\mathrm{n}$ for the following reaction will be :

${\mathrm{NH}}_{4}\mathrm{Cl}\left(\mathrm{s}\right)⇌{\mathrm{NH}}_{3}\left(\mathrm{g}\right)+\mathrm{HCl}\left(\mathrm{g}\right)$

 1 1 2 0.5 3 1.5 4 2
Subtopic:  Kp, Kc & Factors Affecting them |
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For the reaction ${\mathrm{H}}_{2}\left(\mathrm{g}\right)+{\mathrm{I}}_{2}\left(\mathrm{g}\right)⇌2\mathrm{HI}\left(\mathrm{g}\right)$, the standard free energy is $∆{\mathrm{G}}^{⊝}>0$. The equilibrium constant (${\mathrm{K}}_{\mathrm{c}}$) would be :

 1 $$K_{c}$$=0 2 $$K_{c}$$>1 3 $$K_{c}$$=1 4 $$K_{c}$$<1
Subtopic:  Kp, Kc & Factors Affecting them |
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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 |
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Which of the following alternatives best describes the reaction A ⇌ B at its halfway point?

 1 $$\Delta G^{\ominus}=0$$ 2 $$\Delta G^{\ominus}>0$$ 3 $$\Delta G^{\ominus}<0$$ 4 $$\Delta G^{\ominus}=-RTlnK$$
Subtopic:  Kp, Kc & Factors Affecting them |
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At 500 K, equilibrium constant, Kc, for the following reaction is 5.

$\frac{1}{2}{\mathrm{H}}_{2}\left(\mathrm{g}\right)+\frac{1}{2}{\mathrm{I}}_{2}\left(\mathrm{g}\right)⇌\mathrm{HI}\left(\mathrm{g}\right)$

What would be the equilibrium constant Kc for the reaction?

$2\mathrm{HI}\left(\mathrm{g}\right)⇌{\mathrm{H}}_{2}\left(\mathrm{g}\right)+{\mathrm{I}}_{2}\left(\mathrm{g}\right)$

1.  0.04

2.  0.4

3.  25

4.  2.5

Subtopic:  Kp, Kc & Factors Affecting them |
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