Equilibrium-Ionic Equilibrium (KVPY Stream-SA (Class 11) Chemistry): Questions 1 - 5 of 9

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Question number: 1

» Equilibrium » Ionic Equilibrium » Solubility Products

Appeared in Year: 2011

MCQ▾

Question

The solubility curve of KNO3 in water is shown below

Solubility vs. Temperature of KNO3

Solubility vs. Temperature of KNO3

Showing graph of Solubility vs. Temperature of KNO3

The amount of KNO3 that dissolves in 50 g of water 40°C is closest to

Choices

Choice (4) Response

a.

50g

b.

150g

c.

100g

d.

200g

Question number: 2

» Equilibrium » Ionic Equilibrium » Solubility Products

Appeared in Year: 2009

MCQ▾

Question

Solubility vs. temperature

Solubility vs. Temperature

Showing graph of Solubility vs. temperature of KNO3and KCl

Given the solubility’s curves of KNO3 and KCl which of the following statement is not true?

Choices

Choice (4) Response

a.

At room temperature the solubility of KNO3 and KCl are not equal

b.

The solubility of KNO3 increases much more compared to that of KCl with increase in temperature

c.

The solubility of KCl decreases with temperature

d.

The solubility’s of both KNO3 and KCl increase with temperature

Question number: 3

» Equilibrium » Ionic Equilibrium » Acids and Bases (Arrhenius, Brnsted - Lowry and Lewis)

Appeared in Year: 2012

MCQ▾

Question

Among the following, the most basic oxide is

Choices

Choice (4) Response

a.

Al2O3

b.

Na2O

c.

P2O5

d.

SiO2

Question number: 4

» Equilibrium » Ionic Equilibrium » Acids and Bases (Arrhenius, Brnsted - Lowry and Lewis)

Appeared in Year: 2009

MCQ▾

Question

Sodium oxide dissolves in water to give sodium hydroxide which indicates its

Choices

Choice (4) Response

a.

Acidic character

b.

Amphoteric character

c.

Basic character

d.

Ionic character

Question number: 5

» Equilibrium » Ionic Equilibrium » Acid - Base Equilibria

Appeared in Year: 2012

MCQ▾

Question

Among the following substituted pyridines, the most basic compound is:

Choices

Choice (4) Response

a.

Figure shows examples of substituted pyridines: Choice A

Figure Shows Examples of Substituted Pyridines: Choice A

Figure shows examples of substituted pyridines identify the most basic compound

b.

Figure shows examples of substituted pyridines: Choice B

Figure Shows Examples of Substituted Pyridines: Choice B

Figure shows examples of substituted pyridines identify the most basic compound

c.

Figure shows examples of substituted pyridines: Choice C

Figure Shows Examples of Substituted Pyridines: Choice C

Figure shows examples of substituted pyridines identify the most basic compound

d.

Figure shows examples of substituted pyridines: Choice D

Figure Shows Examples of Substituted Pyridines: Choice D

Figure shows examples of substituted pyridines identify the most basic compound

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