Match the following equilibria with the corresponding condition.

 A. Liquid$⇌$Vapour 1. Saturated solution B. Solid$⇌$Liquid 2. Boiling point C. Solid$⇌$Vapour 3. Sublimation point D. Solute (s)$⇌$Solute (solution) 4. Melting point 5. Unsaturated solution

Codes

 A B C D 1. 2 4 3 1 2. 1 2 3 5 3. 5 4 3 2 4. 4 5 3 2
Subtopic:  Introduction To Equilibrium |
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For the reaction : N2(g) + 3H2(g) →2NH3(g)
$$\text { Equilibrium constant } K_{c}=\frac{\left[\mathrm{NH}_{3}\right]^{2}}{\left[\mathrm{~N}_{2}\right]\left[\mathrm{H}_{2}\right]^{3}}$$
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 following species with the corresponding conjugate acid.

 Species Conjugate acid A.  $N{H}_{3}$ 1. $C{O}_{3}^{2-}$ B. $HC{O}_{3}^{-}$ 2. $N{H}_{4}^{+}$ C. ${H}_{2}O$ 3.${H}_{3}{O}^{+}$ D. $HS{O}_{4}^{-}$ 4. ${H}_{2}C{O}_{3}$ 5. ${H}_{2}S{O}_{4}$

Codes

 A B C D 1. 2 5 1 5 2. 2 4 3 5 3. 5 4 3 2 4. 4 5 3 2
Subtopic:  Acids & Bases - Definitions & Classification |
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 A B A. i. Variation in product concentration with time. B. ii. Reaction at equilibrium C. iii. Variation in reactant concentration with time.

Match the graphical variations with their descriptions given above and identify the correct codes below:

 A B C 1. i iii ii 2. i ii iii 3. iii ii i 4. iii i ii
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

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 |
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Assertion: The increasing order or acidity of hydrogen halides is HF<HCI<HBr<HI.

Reason: While comparing acids formed by the elements belonging to the same group of the periodic table, H-A bond strength is a more important factor in determining the acidity of an acid than the polar nature of the bond.

1.  Both the assertion and the reason are true and the reason is the correct explanation of assertion.

2.  Both the assertion and the reason are true and the reason is not the correct explanation of assertion.

3.  Assertion is true but the reason is false.

4.  Assertion is false but the reason is true.

Subtopic:  Acids & Bases - Definitions & Classification |
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Assertion: A solution containing a mixture of acetic acid and sodium acetate maintains a constant value of pH on the addition of small amounts of acid or alkali.

Reason: A solution containing a mixture of acetic acid and sodium acetate acts as a buffer solution.

1.  Both the assertion and the reason are true and the reason is the correct explanation of assertion.

2.  Both the assertion and the reason are true and the reason is not the correct explanation of assertion.

3. The assertion is true but the reason is false.

4.  The assertion is false but the reason is true.

Subtopic:  Buffer |
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Assertion: The ionisation of hydrogen sulphide in water is low in the presence of hydrochloric acid

Reason: Hydrogen sulphide is a weak acid.

1.  Both the assertion and the reason are true and the reason is the correct explanation of assertion.

2.  Both the assertion and the reason are true and the reason is not the correct explanation of assertion.

3.  The assertion is true but the reason is false.

4.  The assertion is false but the reason is true.

Subtopic:  Common Ion Effect |
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Assertion: For any chemical reaction at a particular temperature, the equilibrium constant is fixed and is a characteristic property.

Reason: Equilibrium constant is independent of temperature.

1. Both the assertion and the reason are true and the reason is the correct explanation of assertion.

2. ​​​​​​​Both the assertion and the reason are true and the reason is not the correct explanation of assertion.

3. Assertion is true but the reason is false.

4. Assertion is false but the reason is true.

Subtopic:  Kp, Kc & Factors Affecting them |
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