NCERT Solutions for class 12 Chemistry Chapter 2: Solutions

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NCERT Solutions for class 12 chemistry chapter 2: Solutions are provided in this article which includes important formulas, chemical equations and numericals. Some of the important topics of Class 12 Chemistry Chapter 2 Solutions include:

Expected No. of questions: 2 to 4 questions of 1 to 5 marks

Download PDF: NCERT Solutions for Class 12 Chemistry Chapter 2 pdf

NCERT Solutions for Class 12 Chemistry Chapter 2

The NCERT solutions for class 12 chemistry chapter 2: Solutions is given below in pdf as well as image form.

NCERT Solutions for Class 12 Chemistry Chapter 2: Solutions – Important Topics

A Solution is a homogeneous mixture of two or more chemically non-reacting substances whose composition can be varied within certain limits. A solution is regarded as a simple phase having more than one component.

Types of Solutions: Based on the states of matter, solutions can be divided into solid solutions, liquid solutions and gaseous solutions.

Solid Solutions: The solvent is in solid state

Liquid Solutions: The solvent is in liquid state

Gaseous Solutions: The solvent is in gaseous state

Solubility: The amount of solute that can dissolve in a solvent to form a solution is called solubility. Solubility depends on factors like temperature, pressure, nature of solvent and solute.

Unsaturated Solution: A solution in which more solute can be added at a given temperature.

Saturated Solution: A solution in which no more solute can be added at a given temperature.

Supersaturated solution: A solution in which more solute than the limited amount is present at a given temperature.

Concentration of Solution: The ratio of the solute to the solvent is known as concentration of a solution

Henry’s Law: Henry’s Law states that the partial pressure (p) of the gas in the vapour phase is proportional to the mole fraction (x) of the gas in the solution. Mathematically,

p = K_H. x

Raoult’s Law: Raoult’s Law states that the Partial vapour pressure of every component in a solution is directly proportional to the mole fraction of that component. Mathematically,

P = P₀X

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CBSE CLASS XII Related Questions

1.
For a reaction : \( N_2 + 3H_2 \rightarrow 2NH_3 \), the rate of reaction with respect to \( NH_3 \) is

\( +\frac{1}{3} \frac{\Delta [NH_3]}{\Delta t} \)
\( -\frac{1}{2} \frac{\Delta [NH_3]}{\Delta t} \)
\( +\frac{1}{4} \frac{\Delta [NH_3]}{\Delta t} \)
\( +\frac{1}{2} \frac{\Delta [NH_3]}{\Delta t} \)

View Solution

2.
Assertion (A): D(+)-Glucose is dextrorotatory in nature.
Reason (R): (+) represents dextrorotatory nature and D represents its configuration.

Both Assertion (A) and Reason (R) are true and Reason (R) is the correct explanation of Assertion (A).
Both Assertion (A) and Reason (R) are true, but Reason (R) is not the correct explanation of Assertion (A).
Assertion (A) is true, but Reason (R) is false.
Assertion (A) is false, but Reason (R) is true.

View Solution

3.
How will you confirm the presence of five –OH groups in a glucose molecule, which are attached to different carbon atoms?

View Solution

4.
Name the cell which was used in the Apollo space programme for providing electrical power.

View Solution

5.
Which of the reactions is used in the conversion of a ketone into hydrocarbon?

Reimer-Tiemann reaction
Wolff-Kishner reduction
Aldol condensation
Stephen reaction

View Solution

6.
Consider the following reaction and identify A and B: \[ CH_3Cl + NaI \xrightarrow{\text{dry acetone}} A + B \]

A = CH\(_3\)I, B = NaCl
A = CH\(_3\)OH, B = NaCl
A = CH\(_3\)CHO, B = NaCl
A = C\(_2\)H\(_6\), B = CH\(_3\)I

View Solution

NCERT Solutions for class 12 Chemistry Chapter 2: Solutions

Download PDF: NCERT Solutions for Class 12 Chemistry Chapter 2 pdf

NCERT Solutions for Class 12 Chemistry Chapter 2

NCERT Solutions for Class 12 Chemistry Chapter 2: Solutions – Important Topics

CBSE CLASS XII Related Questions

1.
For a reaction : \( N_2 + 3H_2 \rightarrow 2NH_3 \), the rate of reaction with respect to \( NH_3 \) is

2.
Assertion (A): D(+)-Glucose is dextrorotatory in nature.
Reason (R): (+) represents dextrorotatory nature and D represents its configuration.

3.
How will you confirm the presence of five –OH groups in a glucose molecule, which are attached to different carbon atoms?

4.
Name the cell which was used in the Apollo space programme for providing electrical power.

5.
Which of the reactions is used in the conversion of a ketone into hydrocarbon?

6.
Consider the following reaction and identify A and B: \[ CH_3Cl + NaI \xrightarrow{\text{dry acetone}} A + B \]

Similar Chemistry Concepts

Comments

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NCERT Solutions for class 12 Chemistry Chapter 2: Solutions

Download PDF: NCERT Solutions for Class 12 Chemistry Chapter 2 pdf

NCERT Solutions for Class 12 Chemistry Chapter 2

NCERT Solutions for Class 12 Chemistry Chapter 2: Solutions – Important Topics

CBSE CLASS XII Related Questions

1.For a reaction : \( N_2 + 3H_2 \rightarrow 2NH_3 \), the rate of reaction with respect to \( NH_3 \) is

2.Assertion (A): D(+)-Glucose is dextrorotatory in nature. Reason (R): (+) represents dextrorotatory nature and D represents its configuration.

3. How will you confirm the presence of five –OH groups in a glucose molecule, which are attached to different carbon atoms?

4. Name the cell which was used in the Apollo space programme for providing electrical power.

5.Which of the reactions is used in the conversion of a ketone into hydrocarbon?

6.Consider the following reaction and identify A and B: \[ CH_3Cl + NaI \xrightarrow{\text{dry acetone}} A + B \]

Similar Chemistry Concepts

Comments

SUBSCRIBE TO OUR NEWS LETTER

1.
For a reaction : \( N_2 + 3H_2 \rightarrow 2NH_3 \), the rate of reaction with respect to \( NH_3 \) is

2.
Assertion (A): D(+)-Glucose is dextrorotatory in nature.
Reason (R): (+) represents dextrorotatory nature and D represents its configuration.

3.
How will you confirm the presence of five –OH groups in a glucose molecule, which are attached to different carbon atoms?

4.
Name the cell which was used in the Apollo space programme for providing electrical power.

5.
Which of the reactions is used in the conversion of a ketone into hydrocarbon?

6.
Consider the following reaction and identify A and B: \[ CH_3Cl + NaI \xrightarrow{\text{dry acetone}} A + B \]