# ​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 |
82%
From NCERT
To view explanation, please take trial in the course.
NEET 2025 - Target Batch
Hints
To view explanation, please take trial in the course.
NEET 2025 - Target Batch

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 |
65%
From NCERT
To view explanation, please take trial in the course.
NEET 2025 - Target Batch
Hints
To view explanation, please take trial in the course.
NEET 2025 - Target Batch

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 |
94%
From NCERT
To view explanation, please take trial in the course.
NEET 2025 - Target Batch
Hints
To view explanation, please take trial in the course.
NEET 2025 - Target Batch

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%
From NCERT
To view explanation, please take trial in the course.
NEET 2025 - Target Batch
Hints
To view explanation, please take trial in the course.
NEET 2025 - Target Batch

Given below are two statements:

 Assertion (A): The increasing order or acidity of hydrogen halides is HF

 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:  Acids & Bases - Definitions & Classification |
82%
From NCERT
To view explanation, please take trial in the course.
NEET 2025 - Target Batch
Hints
To view explanation, please take trial in the course.
NEET 2025 - Target Batch

Given below are two statements:

 Assertion (A): 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 (R): A solution containing a mixture of acetic acid and sodium acetate acts as a buffer solution.

 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:  Buffer |
89%
From NCERT
To view explanation, please take trial in the course.
NEET 2025 - Target Batch
Hints
To view explanation, please take trial in the course.
NEET 2025 - Target Batch

Given below are two statements:

 Assertion (A): The ionisation of hydrogen sulphide in water is low in the presence of hydrochloric acid. Reason (R): Hydrogen sulphide is a weak acid.

 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:  Common Ion Effect |
53%
From NCERT
To view explanation, please take trial in the course.
NEET 2025 - Target Batch
Hints
To view explanation, please take trial in the course.
NEET 2025 - Target Batch

 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 |
84%
From NCERT
To view explanation, please take trial in the course.
NEET 2025 - Target Batch
Hints
To view explanation, please take trial in the course.
NEET 2025 - Target Batch

Given below are two statements:

 Assertion (A): An aqueous solution of ammonium carbonate is basic. Reason (R): The acidic or basic nature of a salt solution of a salt of a weak acid and a weak base depends on the Ka and Kb values of the acid and the base forming it.

 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:  pH calculation |
62%
From NCERT
To view explanation, please take trial in the course.
NEET 2025 - Target Batch
Hints
To view explanation, please take trial in the course.
NEET 2025 - Target Batch

 Assertion (A): An aqueous solution of ammonium acetate can act as a buffer. Reason (R): Acetic acid is a weak acid and  NH4OH  is a weak base.

 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:  Buffer |
52%
From NCERT
To view explanation, please take trial in the course.
NEET 2025 - Target Batch
Hints