EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR CHEMISTRY>Chapter 7 - Equilibrium>AIPMT - 4th May 2014>Q 31

EASY

NEET

IMPORTANT

Earn 100

For a given exothermic reaction $K_{p}$ and ${K'}_{p}$ are the equilibrium constants at temperatures $T_{1}$ and $T_{2}$ respectively (T₂.>T₁ ). Assuming that heat of reaction is constant in temperatures range between $T_{1}$ and $T_{2},$ it is readily observed that:

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Important Questions on Equilibrium

EASY

NEET

IMPORTANT

EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR CHEMISTRY>Chapter 7 - Equilibrium>NEET - 17th July 2022>Q 1

The

pH

of the solution containing

50 mL

each of

0.10 M

sodium acetate and

0.01 M

acetic acid is
[Given

{pK}_{a}

of

{CH}_{3} COOH = 4.57

]

HARD

NEET

IMPORTANT

EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR CHEMISTRY>Chapter 7 - Equilibrium>NEET - 17th July 2022>Q 2

$3 {O_{2}}_{(g)} ⇌ 2 {O_{3}}_{(g)}$ ,

for the above reaction at $298 K, K_{c}$ is found to be $3.0 \times 10^{- 59}$ . If the concentration of $O_{2}$ at equilibrium is $0.040 M$ , then concentration of $O_{3}$ is:

MEDIUM

NEET

IMPORTANT

EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR CHEMISTRY>Chapter 7 - Equilibrium>NEET - 12 September 2021>Q 3

The

{pK}_{b}

of dimethylamine and

{pK}_{a}

of acetic acid are

3.27

and

4.77

respectively at

T (K) .

The correct option for the

pH

of dimethyl ammonium acetate solution is:

MEDIUM

NEET

IMPORTANT

EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR CHEMISTRY>Chapter 7 - Equilibrium>NEET Phase 2 (14 October 2020)>Q 4

Which among the following salt solutions is basic in nature?

EASY

NEET

IMPORTANT

EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR CHEMISTRY>Chapter 7 - Equilibrium>NEET Phase 2 (14 October 2020)>Q 5

The solubility product for a salt of the type

AB

is

4 \times 10^{- 8} .

What is the molarity of its saturated solution?

EASY

NEET

IMPORTANT

EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR CHEMISTRY>Chapter 7 - Equilibrium>NEET - 13th September 2020>Q 6

HCl

was passed through a solution of

{CaCl}_{2}

,

{MgCl}_{2}

and

NaCl

. Which of the following compound(s) crystallise(s)?

HARD

NEET

IMPORTANT

EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR CHEMISTRY>Chapter 7 - Equilibrium>NEET - 13th September 2020>Q 7

Find out the solubility of

Ni {(OH)}_{2}

in

0.1 M NaOH

. Given that the ionic product of

Ni {(OH)}_{2}

is

2 \times 10^{- 15}

.

EASY

NEET

IMPORTANT

EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR CHEMISTRY>Chapter 7 - Equilibrium>NEET - 13th September 2020>Q 8

Hydrolysis of sucrose is given by the following reaction.
Sucrose

+ H_{2} O ⇌

Glucose

+

Fructose
If the equilibrium constant

(K_{C})

is

2 \times 10^{13}

at

300 K

, the value of

Δ_{r} G^{⊖}

at the same temperature will be: